mathlib-initiative/mathlib-tactics huggingface dataset:
Module: Mathlib.Algebra.GCDMonoid.Basic

Goal state before:
pp: case pos
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b c : α
ac : a ∣ c
ab : a ∣ b
h : c = 0
⊢ a ∣ normalize b

pp: case pos
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b c : α
ac : a ∣ c
ab : a ∣ b
h : ¬c = 0
h_1 : b = 0
⊢ a ∣ normalize c

pp: case neg
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b c : α
ac : a ∣ c
ab : a ∣ b
h : ¬c = 0
h_1 : ¬b = 0
⊢ a ∣ normalize (Classical.choose ⋯)

Tactic:
·

Goal state after:
case pos
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b c : α
ac : a ∣ c
ab : a ∣ b
h : c = 0
⊢ a ∣ normalize b
Module: Mathlib.Algebra.GCDMonoid.Basic

Goal state before:
pp: case pos
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b c : α
ac : a ∣ c
ab : a ∣ b
h : ¬c = 0
h_1 : b = 0
⊢ a ∣ normalize c

pp: case neg
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b c : α
ac : a ∣ c
ab : a ∣ b
h : ¬c = 0
h_1 : ¬b = 0
⊢ a ∣ normalize (Classical.choose ⋯)

Tactic:
·

Goal state after:
case pos
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b c : α
ac : a ∣ c
ab : a ∣ b
h : ¬c = 0
h_1 : b = 0
⊢ a ∣ normalize c
Module: Mathlib.RingTheory.Ideal.Operations

Goal state before:
pp: case pos
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
ih :
  ∀ {s : Finset ι} {a b : ι},
    (∀ i ∈ s, (f i).IsPrime) →
      s.card = n → ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i ∈ ↑s, ↑(f i) → I ≤ f a ∨ I ≤ f b ∨ ∃ i ∈ s, I ≤ f i
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : f b ≤ f i
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1

pp: case neg
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
ih :
  ∀ {s : Finset ι} {a b : ι},
    (∀ i ∈ s, (f i).IsPrime) →
      s.card = n → ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i ∈ ↑s, ↑(f i) → I ≤ f a ∨ I ≤ f b ∨ ∃ i ∈ s, I ≤ f i
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : ¬f b ≤ f i
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1

Tactic:
·

Goal state after:
case pos
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
ih :
  ∀ {s : Finset ι} {a b : ι},
    (∀ i ∈ s, (f i).IsPrime) →
      s.card = n → ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i ∈ ↑s, ↑(f i) → I ≤ f a ∨ I ≤ f b ∨ ∃ i ∈ s, I ≤ f i
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : f b ≤ f i
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1
Module: Mathlib.RingTheory.PrincipalIdealDomain

Goal state before:
pp: case pos
R : Type u
inst✝ : Semiring R
hR : ¬IsPrincipalIdealRing R
c : Set (Ideal R)
hs : c ⊆ nonPrincipals R
hchain : IsChain (fun x1 x2 ↦ x1 ≤ x2) c
H : c.Nonempty
⊢ ∃ I ∈ nonPrincipals R, ∀ J ∈ c, J ≤ I

pp: case neg
R : Type u
inst✝ : Semiring R
hR : ¬IsPrincipalIdealRing R
c : Set (Ideal R)
hs : c ⊆ nonPrincipals R
hchain : IsChain (fun x1 x2 ↦ x1 ≤ x2) c
H : ¬c.Nonempty
⊢ ∃ I ∈ nonPrincipals R, ∀ J ∈ c, J ≤ I

Tactic:
·

Goal state after:
case pos
R : Type u
inst✝ : Semiring R
hR : ¬IsPrincipalIdealRing R
c : Set (Ideal R)
hs : c ⊆ nonPrincipals R
hchain : IsChain (fun x1 x2 ↦ x1 ≤ x2) c
H : c.Nonempty
⊢ ∃ I ∈ nonPrincipals R, ∀ J ∈ c, J ≤ I
Module: Mathlib.Algebra.GCDMonoid.Basic

Goal state before:
pp: case pos
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b : α
h : a = 0
⊢ Associated (normalize b * lcm a b) (a * b)

pp: case pos
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b : α
h : ¬a = 0
h_1 : b = 0
⊢ Associated (normalize a * lcm a b) (a * b)

pp: case neg
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b : α
h : ¬a = 0
h_1 : ¬b = 0
⊢ Associated (normalize (Classical.choose ⋯) * lcm a b) (a * b)

Tactic:
·

Goal state after:
case pos
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b : α
h : a = 0
⊢ Associated (normalize b * lcm a b) (a * b)
Module: Mathlib.LinearAlgebra.Dimension.StrongRankCondition

Goal state before:
pp: case inl
R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
ι' : Type w'
inst✝ : InvariantBasisNumber R
v : Basis ι R M
v' : Basis ι' R M
this : Nontrivial R
val✝ : Fintype ι
⊢ lift.{w', w} #ι = lift.{w, w'} #ι'

pp: case inr
R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
ι' : Type w'
inst✝ : InvariantBasisNumber R
v : Basis ι R M
v' : Basis ι' R M
this : Nontrivial R
val✝ : Infinite ι
⊢ lift.{w', w} #ι = lift.{w, w'} #ι'

Tactic:
·

Goal state after:
case inl
R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
ι' : Type w'
inst✝ : InvariantBasisNumber R
v : Basis ι R M
v' : Basis ι' R M
this : Nontrivial R
val✝ : Fintype ι
⊢ lift.{w', w} #ι = lift.{w, w'} #ι'
Module: Mathlib.RingTheory.PrincipalIdealDomain

Goal state before:
pp: case neg
R : Type u
inst✝ : Semiring R
hR : ¬IsPrincipalIdealRing R
c : Set (Ideal R)
hs : c ⊆ nonPrincipals R
hchain : IsChain (fun x1 x2 ↦ x1 ≤ x2) c
H : ¬c.Nonempty
⊢ ∃ I ∈ nonPrincipals R, ∀ J ∈ c, J ≤ I

Tactic:
·

Goal state after:
case neg
R : Type u
inst✝ : Semiring R
hR : ¬IsPrincipalIdealRing R
c : Set (Ideal R)
hs : c ⊆ nonPrincipals R
hchain : IsChain (fun x1 x2 ↦ x1 ≤ x2) c
H : ¬c.Nonempty
⊢ ∃ I ∈ nonPrincipals R, ∀ J ∈ c, J ≤ I
Module: Mathlib.Algebra.GCDMonoid.Basic

Goal state before:
pp: case pos
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b : α
h : ¬a = 0
h_1 : b = 0
⊢ Associated (normalize a * lcm a b) (a * b)

pp: case neg
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b : α
h : ¬a = 0
h_1 : ¬b = 0
⊢ Associated (normalize (Classical.choose ⋯) * lcm a b) (a * b)

Tactic:
·

Goal state after:
case pos
α : Type u_1
inst✝³ : CommMonoidWithZero α
inst✝² : IsCancelMulZero α
inst✝¹ : NormalizationMonoid α
inst✝ : DecidableEq α
lcm : α → α → α
dvd_lcm_left : ∀ (a b : α), a ∣ lcm a b
dvd_lcm_right : ∀ (a b : α), b ∣ lcm a b
lcm_dvd : ∀ {a b c : α}, c ∣ a → b ∣ a → lcm c b ∣ a
normalize_lcm : ∀ (a b : α), normalize (lcm a b) = lcm a b
exists_gcd : ∀ (a b : α), lcm a b ∣ a * b := fun a b ↦ lcm_dvd (Dvd.intro b rfl) (Dvd.intro_left a rfl)
this : GCDMonoid α := gcdMonoidOfLCM lcm dvd_lcm_left dvd_lcm_right ⋯
a b : α
h : ¬a = 0
h_1 : b = 0
⊢ Associated (normalize a * lcm a b) (a * b)
Module: Mathlib.RingTheory.Ideal.Operations

Goal state before:
pp: case pos.inl
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : f b ≤ f i
h' : ↑I ⊆ ↑(f a) ∪ ↑(f i) ∪ ⋃ j ∈ ↑t, ↑(f j)
ih : I ≤ f a
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1

pp: case pos.inr.inl
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : f b ≤ f i
h' : ↑I ⊆ ↑(f a) ∪ ↑(f i) ∪ ⋃ j ∈ ↑t, ↑(f j)
ih : I ≤ f i
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1

pp: case pos.inr.inr
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : f b ≤ f i
h' : ↑I ⊆ ↑(f a) ∪ ↑(f i) ∪ ⋃ j ∈ ↑t, ↑(f j)
k : ι
hkt : k ∈ t
ih : I ≤ f k
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1

Tactic:
·

Goal state after:
case pos.inl
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : f b ≤ f i
h' : ↑I ⊆ ↑(f a) ∪ ↑(f i) ∪ ⋃ j ∈ ↑t, ↑(f j)
ih : I ≤ f a
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1
Module: Mathlib.LinearAlgebra.Dimension.StrongRankCondition

Goal state before:
pp: case inr
R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
ι' : Type w'
inst✝ : InvariantBasisNumber R
v : Basis ι R M
v' : Basis ι' R M
this : Nontrivial R
val✝ : Infinite ι
⊢ lift.{w', w} #ι = lift.{w, w'} #ι'

Tactic:
·

Goal state after:
case inr
R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
ι' : Type w'
inst✝ : InvariantBasisNumber R
v : Basis ι R M
v' : Basis ι' R M
this : Nontrivial R
val✝ : Infinite ι
⊢ lift.{w', w} #ι = lift.{w, w'} #ι'
Module: Mathlib.RingTheory.Ideal.Operations

Goal state before:
pp: case pos.inr.inl
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : f b ≤ f i
h' : ↑I ⊆ ↑(f a) ∪ ↑(f i) ∪ ⋃ j ∈ ↑t, ↑(f j)
ih : I ≤ f i
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1

pp: case pos.inr.inr
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : f b ≤ f i
h' : ↑I ⊆ ↑(f a) ∪ ↑(f i) ∪ ⋃ j ∈ ↑t, ↑(f j)
k : ι
hkt : k ∈ t
ih : I ≤ f k
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1

Tactic:
·

Goal state after:
case pos.inr.inl
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : f b ≤ f i
h' : ↑I ⊆ ↑(f a) ∪ ↑(f i) ∪ ⋃ j ∈ ↑t, ↑(f j)
ih : I ≤ f i
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1
Module: Mathlib.LinearAlgebra.Dimension.StrongRankCondition

Goal state before:
pp: case f
R : Type u
M : Type v
inst✝⁵ : Semiring R
inst✝⁴ : AddCommMonoid M
inst✝³ : Module R M
inst✝² : RankCondition R
ι : Type u_2
inst✝¹ : Fintype ι
b : Basis ι R M
w : Set M
inst✝ : Fintype ↑w
s : span R w = ⊤
⊢ (↑w →₀ R) →ₗ[R] ι →₀ R

pp: case i
R : Type u
M : Type v
inst✝⁵ : Semiring R
inst✝⁴ : AddCommMonoid M
inst✝³ : Module R M
inst✝² : RankCondition R
ι : Type u_2
inst✝¹ : Fintype ι
b : Basis ι R M
w : Set M
inst✝ : Fintype ↑w
s : span R w = ⊤
⊢ Surjective ⇑?f

Tactic:
·

Goal state after:
case f
R : Type u
M : Type v
inst✝⁵ : Semiring R
inst✝⁴ : AddCommMonoid M
inst✝³ : Module R M
inst✝² : RankCondition R
ι : Type u_2
inst✝¹ : Fintype ι
b : Basis ι R M
w : Set M
inst✝ : Fintype ↑w
s : span R w = ⊤
⊢ (↑w →₀ R) →ₗ[R] ι →₀ R
Module: Mathlib.LinearAlgebra.Dimension.StrongRankCondition

Goal state before:
pp: case i
R : Type u
M : Type v
inst✝⁵ : Semiring R
inst✝⁴ : AddCommMonoid M
inst✝³ : Module R M
inst✝² : RankCondition R
ι : Type u_2
inst✝¹ : Fintype ι
b : Basis ι R M
w : Set M
inst✝ : Fintype ↑w
s : span R w = ⊤
⊢ Surjective ⇑(↑b.repr ∘ₗ Finsupp.linearCombination R Subtype.val)

Tactic:
·

Goal state after:
case i
R : Type u
M : Type v
inst✝⁵ : Semiring R
inst✝⁴ : AddCommMonoid M
inst✝³ : Module R M
inst✝² : RankCondition R
ι : Type u_2
inst✝¹ : Fintype ι
b : Basis ι R M
w : Set M
inst✝ : Fintype ↑w
s : span R w = ⊤
⊢ Surjective ⇑(↑b.repr ∘ₗ Finsupp.linearCombination R Subtype.val)
Module: Mathlib.RingTheory.Ideal.Operations

Goal state before:
pp: case pos.inr.inr
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : f b ≤ f i
h' : ↑I ⊆ ↑(f a) ∪ ↑(f i) ∪ ⋃ j ∈ ↑t, ↑(f j)
k : ι
hkt : k ∈ t
ih : I ≤ f k
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1

Tactic:
·

Goal state after:
case pos.inr.inr
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : f b ≤ f i
h' : ↑I ⊆ ↑(f a) ∪ ↑(f i) ∪ ⋃ j ∈ ↑t, ↑(f j)
k : ι
hkt : k ∈ t
ih : I ≤ f k
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1
Module: Mathlib.LinearAlgebra.Dimension.StrongRankCondition

Goal state before:
pp: case i.hg
R : Type u
M : Type v
inst✝⁵ : Semiring R
inst✝⁴ : AddCommMonoid M
inst✝³ : Module R M
inst✝² : RankCondition R
ι : Type u_2
inst✝¹ : Fintype ι
b : Basis ι R M
w : Set M
inst✝ : Fintype ↑w
s : span R w = ⊤
⊢ Surjective ⇑↑b.repr

pp: case i.hf
R : Type u
M : Type v
inst✝⁵ : Semiring R
inst✝⁴ : AddCommMonoid M
inst✝³ : Module R M
inst✝² : RankCondition R
ι : Type u_2
inst✝¹ : Fintype ι
b : Basis ι R M
w : Set M
inst✝ : Fintype ↑w
s : span R w = ⊤
⊢ Surjective ⇑(Finsupp.linearCombination R Subtype.val)

Tactic:
·

Goal state after:
case i.hg
R : Type u
M : Type v
inst✝⁵ : Semiring R
inst✝⁴ : AddCommMonoid M
inst✝³ : Module R M
inst✝² : RankCondition R
ι : Type u_2
inst✝¹ : Fintype ι
b : Basis ι R M
w : Set M
inst✝ : Fintype ↑w
s : span R w = ⊤
⊢ Surjective ⇑↑b.repr
Module: Mathlib.LinearAlgebra.Matrix.Defs

Goal state before:
pp: R : Type u_7
m n : ℕ
A : Matrix (Fin m) (Fin n) R
i : Fin m
j : Fin n
⊢ (Array.ofFn fun k ↦ A k.divNat k.modNat)[i.mkDivMod j] = A i j

Tactic:
Fin.getElem_fin,

Goal state after:
R : Type u_7
m n : ℕ
A : Matrix (Fin m) (Fin n) R
i : Fin m
j : Fin n
⊢ (Array.ofFn fun k ↦ A k.divNat k.modNat)[↑(i.mkDivMod j)] = A i j
Module: Mathlib.LinearAlgebra.Dimension.StrongRankCondition

Goal state before:
pp: case inl
R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
inst✝ : RankCondition R
J : Set M
v : Basis ι R M
hJ : span R J = ⊤
this : Nontrivial R
val✝ : Fintype ↑J
⊢ #↑(range ⇑v) ≤ #↑J

pp: case inr
R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
inst✝ : RankCondition R
J : Set M
v : Basis ι R M
hJ : span R J = ⊤
this : Nontrivial R
val✝ : Infinite ↑J
⊢ #↑(range ⇑v) ≤ #↑J

Tactic:
·

Goal state after:
case inl
R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
inst✝ : RankCondition R
J : Set M
v : Basis ι R M
hJ : span R J = ⊤
this : Nontrivial R
val✝ : Fintype ↑J
⊢ #↑(range ⇑v) ≤ #↑J
Module: Mathlib.RingTheory.Ideal.Operations

Goal state before:
pp: case pos
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
ih :
  ∀ {s : Finset ι} {a b : ι},
    (∀ i ∈ s, (f i).IsPrime) →
      s.card = n → ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i ∈ ↑s, ↑(f i) → I ≤ f a ∨ I ≤ f b ∨ ∃ i ∈ s, I ≤ f i
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : ¬f b ≤ f i
Hi : I ≤ f i
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1

pp: case neg
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
ih :
  ∀ {s : Finset ι} {a b : ι},
    (∀ i ∈ s, (f i).IsPrime) →
      s.card = n → ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i ∈ ↑s, ↑(f i) → I ≤ f a ∨ I ≤ f b ∨ ∃ i ∈ s, I ≤ f i
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : ¬f b ≤ f i
Hi : ¬I ≤ f i
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1

Tactic:
·

Goal state after:
case pos
ι : Type u_1
R : Type u
inst✝ : CommRing R
f : ι → Ideal R
I : Ideal R
n : ℕ
ih :
  ∀ {s : Finset ι} {a b : ι},
    (∀ i ∈ s, (f i).IsPrime) →
      s.card = n → ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i ∈ ↑s, ↑(f i) → I ≤ f a ∨ I ≤ f b ∨ ∃ i ∈ s, I ≤ f i
a b i : ι
t : Finset ι
hit : i ∉ t
hn : t.card = n
h : ↑I ⊆ ↑(f a) ∪ ↑(f b) ∪ ⋃ i_1 ∈ ↑(insert i t), ↑(f i_1)
hp : (f i).IsPrime ∧ ∀ x ∈ t, (f x).IsPrime
Ht : ¬∃ j ∈ t, f j ≤ f i
Ha : ¬f a ≤ f i
Hb : ¬f b ≤ f i
Hi : I ≤ f i
⊢ I ≤ f a ∨ I ≤ f b ∨ ∃ i_1 ∈ insert i t, I ≤ f i_1
Module: Mathlib.LinearAlgebra.Dimension.StrongRankCondition

Goal state before:
pp: case inr
R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
inst✝ : RankCondition R
J : Set M
v : Basis ι R M
hJ : span R J = ⊤
this : Nontrivial R
val✝ : Infinite ↑J
⊢ #↑(range ⇑v) ≤ #↑J

Tactic:
·

Goal state after:
case inr
R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
inst✝ : RankCondition R
J : Set M
v : Basis ι R M
hJ : span R J = ⊤
this : Nontrivial R
val✝ : Infinite ↑J
⊢ #↑(range ⇑v) ≤ #↑J
Module: Mathlib.LinearAlgebra.Dimension.StrongRankCondition

Goal state before:
pp: R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
inst✝ : RankCondition R
J : Set M
v : Basis ι R M
hJ : span R J = ⊤
this✝ : Nontrivial R
val✝ : Infinite ↑J
S : ↑J → Set ι := fun j ↦ ↑(v.repr ↑j).support
S' : ↑J → Set M := fun j ↦ ⇑v '' S j
b : M
hb : b ∈ range ⇑v
i : ι
hi : v i = b
this : ↑{i} ⊆ ⋃ j, S j
⊢ b ∈ ⋃ j, S' j

Tactic:
·

Goal state after:
R : Type u
M : Type v
inst✝³ : Semiring R
inst✝² : AddCommMonoid M
inst✝¹ : Module R M
ι : Type w
inst✝ : RankCondition R
J : Set M
v : Basis ι R M
hJ : span R J = ⊤
this✝ : Nontrivial R
val✝ : Infinite ↑J
S : ↑J → Set ι := fun j ↦ ↑(v.repr ↑j).support
S' : ↑J → Set M := fun j ↦ ⇑v '' S j
b : M
hb : b ∈ range ⇑v
i : ι
hi : v i = b
this : ↑{i} ⊆ ⋃ j, S j
⊢ b ∈ ⋃ j, S' j