Goal:
  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  x : A
  xs : list A
  h : ∀ y : C, Q y → ∥ All (P y) (x :: xs) ∥
  H : #|map_All fn xs (map_All_obligation_2 x xs h)| = #|xs|
  ============================
   (let H := CoreTactics.block in #|map_All fn (x :: xs) h| = #|x :: xs|)


DEBUG:Going to execute:
match goal with
           | hyp:context [ CoreTactics.block ]
             |- _ =>
                 cbn beta in hyp; eqns_specialize_eqs_block hyp;
                  cbn[eq_rect_r eq_rect] in hyp
           end

Goals:
  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  Hl : ∀ y : C, Q y → ∥ All (P y) [] ∥
  ============================
   (let H := CoreTactics.block in #|map_All fn [] Hl| = #|[]|)

  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  x : A
  xs : list A
  h : ∀ y : C, Q y → ∥ All (P y) (x :: xs) ∥
  H : #|map_All fn xs (map_All_obligation_2 x xs h)| = #|xs|
  ============================
   (let H := CoreTactics.block in #|map_All fn (x :: xs) h| = #|x :: xs|)


DEBUG:Going to execute:
CoreTactics.unblock_goal
Level 1: Backtrace:

No matching clauses for match.

Goals:
  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  Hl : ∀ y : C, Q y → ∥ All (P y) [] ∥
  ============================
   (let H := CoreTactics.block in #|map_All fn [] Hl| = #|[]|)

  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  x : A
  xs : list A
  h : ∀ y : C, Q y → ∥ All (P y) (x :: xs) ∥
  H : #|map_All fn xs (map_All_obligation_2 x xs h)| = #|xs|
  ============================
   (let H := CoreTactics.block in #|map_All fn (x :: xs) h| = #|x :: xs|)


DEBUG:Going to execute:
unfold CoreTactics.block in *; cbv zeta

Goals:
  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  Hl : ∀ y : C, Q y → ∥ All (P y) [] ∥
  ============================
   (let H := CoreTactics.block in #|map_All fn [] Hl| = #|[]|)

  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  x : A
  xs : list A
  h : ∀ y : C, Q y → ∥ All (P y) (x :: xs) ∥
  H : #|map_All fn xs (map_All_obligation_2 x xs h)| = #|xs|
  ============================
   (let H := CoreTactics.block in #|map_All fn (x :: xs) h| = #|x :: xs|)


DEBUG:Going to execute:
unfold CoreTactics.block in *

Goals:
  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  Hl : ∀ y : C, Q y → ∥ All (P y) [] ∥
  ============================
   (#|map_All fn [] Hl| = #|[]|)

  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  x : A
  xs : list A
  h : ∀ y : C, Q y → ∥ All (P y) (x :: xs) ∥
  H : #|map_All fn xs (map_All_obligation_2 x xs h)| = #|xs|
  ============================
   (#|map_All fn (x :: xs) h| = #|x :: xs|)


DEBUG:Going to execute:
cbv zeta

Goals:
  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  Hl : ∀ y : C, Q y → ∥ All (P y) [] ∥
  ============================
   (#|map_All fn [] Hl| = #|[]|)

  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  x : A
  xs : list A
  h : ∀ y : C, Q y → ∥ All (P y) (x :: xs) ∥
  H : #|map_All fn xs (map_All_obligation_2 x xs h)| = #|xs|
  ============================
   (#|map_All fn (x :: xs) h| = #|x :: xs|)


DEBUG:Going to execute:
DepElim.simplify_IH_hyps

Goals:
  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  Hl : ∀ y : C, Q y → ∥ All (P y) [] ∥
  ============================
   (#|map_All fn [] Hl| = #|[]|)

  
  A : Type
  B : Type
  C : Type
  Q : C → Type
  P : C → A → Prop
  fn : ∀ x : A, (∀ y : C, Q y → P y x) → B
  x : A
  xs : list A
  h : ∀ y : C, Q y → ∥ All (P y) (x :: xs) ∥
  H : #|map_All fn xs (map_All_obligation_2 x xs h)| = #|xs|
  ============================
   (#|map_All fn (x :: xs) h| = #|x :: xs|)


DEBUG:Going to execute:
repeat
            match goal with
            | hyp:context [ CoreTactics.block ]
              |- _ =>
                  cbn beta in hyp; eqns_specialize_eqs_block hyp;
                   cbn[eq_rect_r eq_rect] in hyp
            end