fact
stringlengths 8
1.54k
| type
stringclasses 19
values | library
stringclasses 8
values | imports
listlengths 1
10
| filename
stringclasses 98
values | symbolic_name
stringlengths 1
42
| docstring
stringclasses 1
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|---|---|---|---|---|---|---|
indexgB A := #|rcosets A B|.
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
indexg
| |
conjugateA x := conjg^~ x @: A.
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjugate
| |
conjugatesA B := conjugate A @: B.
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjugates
| |
classx B := conjg x @: B.
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
class
| |
classesA := class^~ A @: A.
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
classes
| |
class_supportA B := conjg @2: (A, B).
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
class_support
| |
commg_setA B := commg @2: (A, B).
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
commg_set
| |
normaliserA := [set x | conjugate A x \subset A].
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
normaliser
| |
centraliserA := \bigcap_(x in A) normaliser [set x].
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
centraliser
| |
abelianA := A \subset centraliser A.
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
abelian
| |
normalA B := (A \subset B) && (B \subset normaliser A).
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
normal
| |
normalisedA := forall x, conjugate A x = A.
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
normalised
| |
centralisesx A := forall y, y \in A -> commute x y.
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
centralises
| |
centralisedA := forall x, centralises x A.
|
Definition
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
centralised
| |
mulsgPA B x :
reflect (imset2_spec mul (mem A) (fun _ => mem B) x) (x \in A * B).
Proof. exact: imset2P. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mulsgP
| |
mem_mulgA B x y : x \in A -> y \in B -> x * y \in A * B.
Proof. by move=> Ax By; apply/mulsgP; exists x y. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mem_mulg
| |
prodsgP(I : finType) (P : pred I) (A : I -> {set gT}) x :
reflect (exists2 c, forall i, P i -> c i \in A i & x = \prod_(i | P i) c i)
(x \in \prod_(i | P i) A i).
Proof.
have [r big_r [Ur mem_r] _] := big_enumP P.
pose inA c := all (fun i => c i \in A i); rewrite -big_r; set piAx := x \in _.
suffices{big_r} IHr: reflect (exists2 c, inA c r & x = \prod_(i <- r) c i) piAx.
apply: (iffP IHr) => -[c inAc ->]; do [exists c; last by rewrite big_r].
by move=> i Pi; rewrite (allP inAc) ?mem_r.
by apply/allP=> i; rewrite mem_r => /inAc.
elim: {P mem_r}r x @piAx Ur => /= [x _ | i r IHr x /andP[r'i /IHr{}IHr]].
by rewrite unlock; apply: (iffP set1P) => [-> | [] //]; exists (fun=> x).
rewrite big_cons; apply: (iffP idP) => [|[c /andP[Aci Ac] ->]]; last first.
by rewrite big_cons mem_mulg //; apply/IHr=> //; exists c.
case/mulsgP=> c_i _ Ac_i /IHr[c /allP-inAcr ->] ->{x}.
exists [eta c with i |-> c_i]; rewrite /= ?big_cons eqxx ?Ac_i.
by apply/allP=> j rj; rewrite /= ifN ?(memPn r'i) ?inAcr.
by congr (_ * _); apply: eq_big_seq => j rj; rewrite ifN ?(memPn r'i).
Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
prodsgP
| |
mem_prodg(I : finType) (P : pred I) (A : I -> {set gT}) c :
(forall i, P i -> c i \in A i) -> \prod_(i | P i) c i \in \prod_(i | P i) A i.
Proof. by move=> Ac; apply/prodsgP; exists c. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mem_prodg
| |
mulSgA B C : A \subset B -> A * C \subset B * C.
Proof. exact: imset2Sl. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mulSg
| |
mulgSA B C : B \subset C -> A * B \subset A * C.
Proof. exact: imset2Sr. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mulgS
| |
mulgSSA B C D : A \subset B -> C \subset D -> A * C \subset B * D.
Proof. exact: imset2S. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mulgSS
| |
mulg_sublA B : 1 \in B -> A \subset A * B.
Proof. by move=> B1; rewrite -{1}(mulg1 A) mulgS ?sub1set. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mulg_subl
| |
mulg_subrA B : 1 \in A -> B \subset A * B.
Proof. by move=> A1; rewrite -{1}(mul1g B) mulSg ?sub1set. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mulg_subr
| |
mulUgA B C : (A :|: B) * C = (A * C) :|: (B * C).
Proof. exact: imset2Ul. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mulUg
| |
mulgUA B C : A * (B :|: C) = (A * B) :|: (A * C).
Proof. exact: imset2Ur. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mulgU
| |
invUgA B : (A :|: B)^-1 = A^-1 :|: B^-1.
Proof. exact: preimsetU. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
invUg
| |
invIgA B : (A :&: B)^-1 = A^-1 :&: B^-1.
Proof. exact: preimsetI. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
invIg
| |
invDgA B : (A :\: B)^-1 = A^-1 :\: B^-1.
Proof. exact: preimsetD. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
invDg
| |
invCgA : (~: A)^-1 = ~: A^-1.
Proof. exact: preimsetC. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
invCg
| |
invSgA B : (A^-1 \subset B^-1) = (A \subset B).
Proof. by rewrite !(sameP setIidPl eqP) -invIg (inj_eq invg_inj). Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
invSg
| |
mem_invgx A : (x \in A^-1) = (x^-1 \in A).
Proof. by rewrite inE. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mem_invg
| |
memV_invgx A : (x^-1 \in A^-1) = (x \in A).
Proof. by rewrite inE invgK. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
memV_invg
| |
card_invgA : #|A^-1| = #|A|.
Proof. exact/card_preimset/invg_inj. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
card_invg
| |
set1gE: 1 = [set 1] :> {set gT}. Proof. by []. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
set1gE
| |
set1gPx : reflect (x = 1) (x \in [1 gT]).
Proof. exact: set1P. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
set1gP
| |
mulg_set1x y : [set x] :* y = [set x * y].
Proof. by rewrite [_ * _]imset2_set1l imset_set1. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mulg_set1
| |
invg_set1x : [set x]^-1 = [set x^-1].
Proof. by apply/setP=> y; rewrite !inE inv_eq //; apply: invgK. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
invg_set1
| |
lcosetEA x : lcoset A x = x *: A.
Proof. by rewrite [_ * _]imset2_set1l. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
lcosetE
| |
card_lcosetA x : #|x *: A| = #|A|.
Proof. by rewrite -lcosetE (card_imset _ (mulgI _)). Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
card_lcoset
| |
mem_lcosetA x y : (y \in x *: A) = (x^-1 * y \in A).
Proof. by rewrite -lcosetE [_ x](can_imset_pre _ (mulKg _)) inE. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mem_lcoset
| |
lcosetPA x y : reflect (exists2 a, a \in A & y = x * a) (y \in x *: A).
Proof. by rewrite -lcosetE; apply: imsetP. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
lcosetP
| |
lcosetsPA B C :
reflect (exists2 x, x \in B & C = x *: A) (C \in lcosets A B).
Proof. by apply: (iffP imsetP) => [] [x Bx ->]; exists x; rewrite ?lcosetE. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
lcosetsP
| |
lcosetMA x y : (x * y) *: A = x *: (y *: A).
Proof. by rewrite -mulg_set1 mulgA. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
lcosetM
| |
lcoset1A : 1 *: A = A.
Proof. exact: mul1g. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
lcoset1
| |
lcosetK: left_loop inv (fun x A => x *: A).
Proof. by move=> x A; rewrite -lcosetM mulVg mul1g. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
lcosetK
| |
lcosetKV: rev_left_loop inv (fun x A => x *: A).
Proof. by move=> x A; rewrite -lcosetM mulgV mul1g. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
lcosetKV
| |
lcoset_inj: right_injective (fun x A => x *: A).
Proof. by move=> x; apply: can_inj (lcosetK x). Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
lcoset_inj
| |
lcosetSx A B : (x *: A \subset x *: B) = (A \subset B).
Proof.
apply/idP/idP=> sAB; last exact: mulgS.
by rewrite -(lcosetK x A) -(lcosetK x B) mulgS.
Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
lcosetS
| |
sub_lcosetx A B : (A \subset x *: B) = (x^-1 *: A \subset B).
Proof. by rewrite -(lcosetS x^-1) lcosetK. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
sub_lcoset
| |
sub_lcosetVx A B : (A \subset x^-1 *: B) = (x *: A \subset B).
Proof. by rewrite sub_lcoset invgK. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
sub_lcosetV
| |
rcosetEA x : rcoset A x = A :* x.
Proof. by rewrite [_ * _]imset2_set1r. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
rcosetE
| |
card_rcosetA x : #|A :* x| = #|A|.
Proof. by rewrite -rcosetE (card_imset _ (mulIg _)). Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
card_rcoset
| |
mem_rcosetA x y : (y \in A :* x) = (y * x^-1 \in A).
Proof. by rewrite -rcosetE [_ x](can_imset_pre A (mulgK _)) inE. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mem_rcoset
| |
rcosetPA x y : reflect (exists2 a, a \in A & y = a * x) (y \in A :* x).
Proof. by rewrite -rcosetE; apply: imsetP. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
rcosetP
| |
rcosetsPA B C :
reflect (exists2 x, x \in B & C = A :* x) (C \in rcosets A B).
Proof. by apply: (iffP imsetP) => [] [x Bx ->]; exists x; rewrite ?rcosetE. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
rcosetsP
| |
rcosetMA x y : A :* (x * y) = A :* x :* y.
Proof. by rewrite -mulg_set1 mulgA. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
rcosetM
| |
rcoset1A : A :* 1 = A.
Proof. exact: mulg1. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
rcoset1
| |
rcosetK: right_loop inv (fun A x => A :* x).
Proof. by move=> x A; rewrite -rcosetM mulgV mulg1. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
rcosetK
| |
rcosetKV: rev_right_loop inv (fun A x => A :* x).
Proof. by move=> x A; rewrite -rcosetM mulVg mulg1. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
rcosetKV
| |
rcoset_inj: left_injective (fun A x => A :* x).
Proof. by move=> x; apply: can_inj (rcosetK x). Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
rcoset_inj
| |
rcosetSx A B : (A :* x \subset B :* x) = (A \subset B).
Proof.
apply/idP/idP=> sAB; last exact: mulSg.
by rewrite -(rcosetK x A) -(rcosetK x B) mulSg.
Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
rcosetS
| |
sub_rcosetx A B : (A \subset B :* x) = (A :* x ^-1 \subset B).
Proof. by rewrite -(rcosetS x^-1) rcosetK. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
sub_rcoset
| |
sub_rcosetVx A B : (A \subset B :* x^-1) = (A :* x \subset B).
Proof. by rewrite sub_rcoset invgK. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
sub_rcosetV
| |
invg_lcosetsA B : (lcosets A B)^-1 = rcosets A^-1 B^-1.
Proof.
rewrite /A^-1/= - -[RHS]imset_comp -imset_comp.
by apply: eq_imset => x /=; rewrite lcosetE rcosetE invMg invg_set1.
Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
invg_lcosets
| |
conjg_preimA x : A :^ x = (conjg^~ x^-1) @^-1: A.
Proof. exact: can_imset_pre (conjgK _). Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjg_preim
| |
mem_conjgA x y : (y \in A :^ x) = (y ^ x^-1 \in A).
Proof. by rewrite conjg_preim inE. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mem_conjg
| |
mem_conjgVA x y : (y \in A :^ x^-1) = (y ^ x \in A).
Proof. by rewrite mem_conjg invgK. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mem_conjgV
| |
memJ_conjgA x y : (y ^ x \in A :^ x) = (y \in A).
Proof. by rewrite mem_conjg conjgK. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
memJ_conjg
| |
conjsgEA x : A :^ x = x^-1 *: (A :* x).
Proof. by apply/setP=> y; rewrite mem_lcoset mem_rcoset -mulgA mem_conjg. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjsgE
| |
conjsg1A : A :^ 1 = A.
Proof. by rewrite conjsgE invg1 mul1g mulg1. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjsg1
| |
conjsgMA x y : A :^ (x * y) = (A :^ x) :^ y.
Proof. by rewrite !conjsgE invMg -!mulg_set1 !mulgA. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjsgM
| |
conjsgK: @right_loop _ gT inv conjugate.
Proof. by move=> x A; rewrite -conjsgM mulgV conjsg1. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjsgK
| |
conjsgKV: @rev_right_loop _ gT inv conjugate.
Proof. by move=> x A; rewrite -conjsgM mulVg conjsg1. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjsgKV
| |
conjsg_inj: @left_injective _ gT _ conjugate.
Proof. by move=> x; apply: can_inj (conjsgK x). Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjsg_inj
| |
cardJgA x : #|A :^ x| = #|A|.
Proof. by rewrite (card_imset _ (conjg_inj x)). Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
cardJg
| |
conjSgA B x : (A :^ x \subset B :^ x) = (A \subset B).
Proof. by rewrite !conjsgE lcosetS rcosetS. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjSg
| |
properJA B x : (A :^ x \proper B :^ x) = (A \proper B).
Proof. by rewrite /proper !conjSg. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
properJ
| |
sub_conjgA B x : (A :^ x \subset B) = (A \subset B :^ x^-1).
Proof. by rewrite -(conjSg A _ x) conjsgKV. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
sub_conjg
| |
sub_conjgVA B x : (A :^ x^-1 \subset B) = (A \subset B :^ x).
Proof. by rewrite -(conjSg _ B x) conjsgKV. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
sub_conjgV
| |
conjg_set1x y : [set x] :^ y = [set x ^ y].
Proof. by rewrite [_ :^ _]imset_set1. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjg_set1
| |
conjs1gx : 1 :^ x = 1.
Proof. by rewrite conjg_set1 conj1g. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjs1g
| |
conjsg_eq1A x : (A :^ x == 1%g) = (A == 1%g).
Proof. by rewrite (canF_eq (conjsgK x)) conjs1g. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjsg_eq1
| |
conjsMgA B x : (A * B) :^ x = A :^ x * B :^ x.
Proof. by rewrite !conjsgE !mulgA rcosetK. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjsMg
| |
conjIgA B x : (A :&: B) :^ x = A :^ x :&: B :^ x.
Proof. by rewrite !conjg_preim preimsetI. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjIg
| |
conj0gx : set0 :^ x = set0.
Proof. exact: imset0. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conj0g
| |
conjTgx : [set: gT] :^ x = [set: gT].
Proof. by rewrite conjg_preim preimsetT. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjTg
| |
bigcapJI r (P : pred I) (B : I -> {set gT}) x :
\bigcap_(i <- r | P i) (B i :^ x) = (\bigcap_(i <- r | P i) B i) :^ x.
Proof.
by rewrite (big_endo (conjugate^~ x)) => // [B1 B2|]; rewrite (conjTg, conjIg).
Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
bigcapJ
| |
conjUgA B x : (A :|: B) :^ x = A :^ x :|: B :^ x.
Proof. by rewrite !conjg_preim preimsetU. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjUg
| |
bigcupJI r (P : pred I) (B : I -> {set gT}) x :
\bigcup_(i <- r | P i) (B i :^ x) = (\bigcup_(i <- r | P i) B i) :^ x.
Proof.
rewrite (big_endo (conjugate^~ x)) => // [B1 B2|]; first by rewrite conjUg.
exact: imset0.
Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
bigcupJ
| |
conjCgA x : (~: A) :^ x = ~: A :^ x.
Proof. by rewrite !conjg_preim preimsetC. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjCg
| |
conjDgA B x : (A :\: B) :^ x = A :^ x :\: B :^ x.
Proof. by rewrite !setDE !(conjCg, conjIg). Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjDg
| |
conjD1gA x : A^# :^ x = (A :^ x)^#.
Proof. by rewrite conjDg conjs1g. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
conjD1g
| |
memJ_classx y A : y \in A -> x ^ y \in x ^: A.
Proof. exact: imset_f. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
memJ_class
| |
classSx A B : A \subset B -> x ^: A \subset x ^: B.
Proof. exact: imsetS. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
classS
| |
class_set1x y : x ^: [set y] = [set x ^ y].
Proof. exact: imset_set1. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
class_set1
| |
class1gx A : x \in A -> 1 ^: A = 1.
Proof.
move=> Ax; apply/setP=> y.
by apply/imsetP/set1P=> [[a Aa]|] ->; last exists x; rewrite ?conj1g.
Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
class1g
| |
classVgx A : x^-1 ^: A = (x ^: A)^-1.
Proof.
apply/setP=> xy; rewrite inE; apply/imsetP/imsetP=> [] [y Ay def_xy].
by rewrite def_xy conjVg invgK; exists y.
by rewrite -[xy]invgK def_xy -conjVg; exists y.
Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
classVg
| |
mem_classesx A : x \in A -> x ^: A \in classes A.
Proof. exact: imset_f. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
mem_classes
| |
memJ_class_supportA B x y :
x \in A -> y \in B -> x ^ y \in class_support A B.
Proof. by move=> Ax By; apply: imset2_f. Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
memJ_class_support
| |
class_supportMA B C :
class_support A (B * C) = class_support (class_support A B) C.
Proof.
apply/setP=> x; apply/imset2P/imset2P=> [[a y Aa] | [y c]].
case/mulsgP=> b c Bb Cc -> ->{x y}.
by exists (a ^ b) c; rewrite ?(imset2_f, conjgM).
case/imset2P=> a b Aa Bb -> Cc ->{x y}.
by exists a (b * c); rewrite ?(mem_mulg, conjgM).
Qed.
|
Lemma
|
fingroup
|
[
"From HB Require Import structures",
"From mathcomp Require Import ssreflect ssrbool ssrfun eqtype ssrnat seq choice",
"From mathcomp Require Import fintype div path tuple bigop prime finset",
"From mathcomp Require Export monoid"
] |
fingroup/fingroup.v
|
class_supportM
|
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