Goal:
  
  A : Type
  P : list A → list A → A → A → Type
  d : A
  Γ : list A
  H : All2_fold P Γ Γ
  p : P Γ Γ d d
  IHAll2_fold : All_fold (λ (Γ : list A) (d : A), P Γ Γ d d) Γ
  ============================
   (let H := CoreTactics.block in
    let H0 := CoreTactics.block in
    All_fold (λ (Γ : list A) (d : A), P Γ Γ d d) (d :: Γ))


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  P : list A → list A → A → A → Type
  ============================
   (let H := CoreTactics.block in
    let H0 := CoreTactics.block in
    All_fold (λ (Γ : list A) (d : A), P Γ Γ d d) [])

  
  A : Type
  P : list A → list A → A → A → Type
  d : A
  Γ : list A
  H : All2_fold P Γ Γ
  p : P Γ Γ d d
  IHAll2_fold : All_fold (λ (Γ : list A) (d : A), P Γ Γ d d) Γ
  ============================
   (let H := CoreTactics.block in
    let H0 := CoreTactics.block in
    All_fold (λ (Γ : list A) (d : A), P Γ Γ d d) (d :: Γ))


DEBUG:Going to execute:
DepElim.unblock_dep_elim
Level 0: Backtrace:

No matching clauses for match.

Goals:
    A : Type  P : list A → list A → A → A → Type
  ============================
   (let H := CoreTactics.block in
    let H0 := CoreTactics.block in
    All_fold (λ (Γ : list A) (d : A), P Γ Γ d d) [])

  
  A : Type
  P : list A → list A → A → A → Type
  d : A
  Γ : list A
  H : All2_fold P Γ Γ
  p : P Γ Γ d d
  IHAll2_fold : All_fold (λ (Γ : list A) (d : A), P Γ Γ d d) Γ
  ============================
   (let H := CoreTactics.block in
    let H0 := CoreTactics.block in
    All_fold (λ (Γ : list A) (d : A), P Γ Γ d d) (d :: Γ))


DEBUG:Going to execute:
match goal with
           | |- let _ := CoreTactics.block in ?T =>
                 match T with
                 | context [ CoreTactics.block ] =>
                     change T; CoreTactics.intros_until_block
                 end
           | _ => CoreTactics.unblock_goal
           end