Goal:
  
  A : Type
  R1 : A → A → Type
  R2 : A → Type
  R3 : A → Type
  hd : A
  tl : list A
  tl' : list A
  o : OnOne2 R1 tl tl'
  IHo : All R2 tl
        → (∀ x : A, R2 x → R3 x)
          → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 tl'
  H1 : list A
  H : All R2 H1
  ============================
   (hd :: tl = H1
    → let H := CoreTactics.block in
      let H0 := CoreTactics.block in
      (∀ x : A, R2 x → R3 x)
      → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 (hd :: tl'))


DEBUG:Going to execute:
destruct p || (case p; clear p)
Level 4: evaluation of term
raised the exception
Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All R2 H1)"
in
environment:
A : Type
R1 : A → A → Type
R2 : A → Type
R3 : A → Type
hd : A
tl, tl' : list A
o : OnOne2 R1 tl tl'
IHo : All R2 tl
      → (∀ x : A, R2 x → R3 x)
        → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 tl'
H1 : list A
H : All R2 H1


Level 3: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All R2 H1)"
in
environment:
A : Type
R1 : A → A → Type
R2 : A → Type
R3 : A → Type
hd : A
tl, tl' : list A
o : OnOne2 R1 tl tl'
IHo : All R2 tl
      → (∀ x : A, R2 x → R3 x)
        → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 tl'
H1 : list A
H : All R2 H1

Level 2: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All R2 H1)"
in
environment:
A : Type
R1 : A → A → Type
R2 : A → Type
R3 : A → Type
hd : A
tl, tl' : list A
o : OnOne2 R1 tl tl'
IHo : All R2 tl
      → (∀ x : A, R2 x → R3 x)
        → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 tl'
H1 : list A
H : All R2 H1

Level 2: evaluation
raised the exception
Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All R2 H1)"
in
environment:
A : Type
R1 : A → A → Type
R2 : A → Type
R3 : A → Type
hd : A
tl, tl' : list A
o : OnOne2 R1 tl tl'
IHo : All R2 tl
      → (∀ x : A, R2 x → R3 x)
        → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 tl'
H1 : list A
H : All R2 H1


Level 2: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All R2 H1)"
in
environment:
A : Type
R1 : A → A → Type
R2 : A → Type
R3 : A → Type
hd : A
tl, tl' : list A
o : OnOne2 R1 tl tl'
IHo : All R2 tl
      → (∀ x : A, R2 x → R3 x)
        → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 tl'
H1 : list A
H : All R2 H1

Level 2: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All R2 H1)"
in
environment:
A : Type
R1 : A → A → Type
R2 : A → Type
R3 : A → Type
hd : A
tl, tl' : list A
o : OnOne2 R1 tl tl'
IHo : All R2 tl
      → (∀ x : A, R2 x → R3 x)
        → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 tl'
H1 : list A
H : All R2 H1

Level 1: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All R2 H1)"
in
environment:
A : Type
R1 : A → A → Type
R2 : A → Type
R3 : A → Type
hd : A
tl, tl' : list A
o : OnOne2 R1 tl tl'
IHo : All R2 tl
      → (∀ x : A, R2 x → R3 x)
        → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 tl'
H1 : list A
H : All R2 H1

Level 1: evaluation
raised the exception
Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All R2 H1)"
in
environment:
A : Type
R1 : A → A → Type
R2 : A → Type
R3 : A → Type
hd : A
tl, tl' : list A
o : OnOne2 R1 tl tl'
IHo : All R2 tl
      → (∀ x : A, R2 x → R3 x)
        → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 tl'
H1 : list A
H : All R2 H1


Level 1: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All R2 H1)"
in
environment:
A : Type
R1 : A → A → Type
R2 : A → Type
R3 : A → Type
hd : A
tl, tl' : list A
o : OnOne2 R1 tl tl'
IHo : All R2 tl
      → (∀ x : A, R2 x → R3 x)
        → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 tl'
H1 : list A
H : All R2 H1

Level 0: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All R2 H1)"
in
environment:
A : Type
R1 : A → A → Type
R2 : A → Type
R3 : A → Type
hd : A
tl, tl' : list A
o : OnOne2 R1 tl tl'
IHo : All R2 tl
      → (∀ x : A, R2 x → R3 x)
        → (∀ x y : A, R1 x y → R2 x → R3 y) → All R3 tl'
H1 : list A
H : All R2 H1