Goal:
    A : Type  P : A → Type  a : A  X1 : list A  X : All P X1
  ============================
   ([a] = X1
    → let H := CoreTactics.block in let H0 := CoreTactics.block in P a)


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 P X1)"
in environment:
A : Type
P : A → Type
a : A
X1 : list A
X : All P X1


Level 3: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All P X1)"
in environment:
A : Type
P : A → Type
a : A
X1 : list A
X : All P X1

Level 2: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All P X1)"
in environment:
A : Type
P : A → Type
a : A
X1 : list A
X : All P X1

Level 2: evaluation
raised the exception
Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All P X1)"
in environment:
A : Type
P : A → Type
a : A
X1 : list A
X : All P X1


Level 2: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All P X1)"
in environment:
A : Type
P : A → Type
a : A
X1 : list A
X : All P X1

Level 2: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All P X1)"
in environment:
A : Type
P : A → Type
a : A
X1 : list A
X : All P X1

Level 1: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All P X1)"
in environment:
A : Type
P : A → Type
a : A
X1 : list A
X : All P X1

Level 1: evaluation
raised the exception
Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All P X1)"
in environment:
A : Type
P : A → Type
a : A
X1 : list A
X : All P X1


Level 1: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All P X1)"
in environment:
A : Type
P : A → Type
a : A
X1 : list A
X : All P X1

Level 0: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All P X1)"
in environment:
A : Type
P : A → Type
a : A
X1 : list A
X : All P X1