Goal:
  
  T : Type -> Type
  M : Monad T
  A : Type
  P : nat -> A -> Type
  Q : A -> Type
  f : forall (n : nat) (x : A), ∥ Q x ∥ -> T (∥ P n x ∥)
  n : nat
  a : A
  l : list A
  X : P n a
  allq1 : list A
  allq : All Q allq1
  ============================
   (a :: l = allq1 ->
    let H := CoreTactics.block in let H0 := CoreTactics.block in All Q l)


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 Q allq1)"
in
environment:
T : Type -> Type
M : Monad T
A : Type
P : nat -> A -> Type
Q : A -> Type
f : forall (n : nat) (x : A), ∥ Q x ∥ -> T (∥ P n x ∥)
n : nat
a : A
l : list A
X : P n a
allq1 : list A
allq : All Q allq1


Level 3: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All Q allq1)"
in
environment:
T : Type -> Type
M : Monad T
A : Type
P : nat -> A -> Type
Q : A -> Type
f : forall (n : nat) (x : A), ∥ Q x ∥ -> T (∥ P n x ∥)
n : nat
a : A
l : list A
X : P n a
allq1 : list A
allq : All Q allq1

Level 2: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All Q allq1)"
in
environment:
T : Type -> Type
M : Monad T
A : Type
P : nat -> A -> Type
Q : A -> Type
f : forall (n : nat) (x : A), ∥ Q x ∥ -> T (∥ P n x ∥)
n : nat
a : A
l : list A
X : P n a
allq1 : list A
allq : All Q allq1

Level 2: evaluation
raised the exception
Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All Q allq1)"
in
environment:
T : Type -> Type
M : Monad T
A : Type
P : nat -> A -> Type
Q : A -> Type
f : forall (n : nat) (x : A), ∥ Q x ∥ -> T (∥ P n x ∥)
n : nat
a : A
l : list A
X : P n a
allq1 : list A
allq : All Q allq1


Level 2: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All Q allq1)"
in
environment:
T : Type -> Type
M : Monad T
A : Type
P : nat -> A -> Type
Q : A -> Type
f : forall (n : nat) (x : A), ∥ Q x ∥ -> T (∥ P n x ∥)
n : nat
a : A
l : list A
X : P n a
allq1 : list A
allq : All Q allq1

Level 2: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All Q allq1)"
in
environment:
T : Type -> Type
M : Monad T
A : Type
P : nat -> A -> Type
Q : A -> Type
f : forall (n : nat) (x : A), ∥ Q x ∥ -> T (∥ P n x ∥)
n : nat
a : A
l : list A
X : P n a
allq1 : list A
allq : All Q allq1

Level 1: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All Q allq1)"
in
environment:
T : Type -> Type
M : Monad T
A : Type
P : nat -> A -> Type
Q : A -> Type
f : forall (n : nat) (x : A), ∥ Q x ∥ -> T (∥ P n x ∥)
n : nat
a : A
l : list A
X : P n a
allq1 : list A
allq : All Q allq1

Level 1: evaluation
raised the exception
Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All Q allq1)"
in
environment:
T : Type -> Type
M : Monad T
A : Type
P : nat -> A -> Type
Q : A -> Type
f : forall (n : nat) (x : A), ∥ Q x ∥ -> T (∥ P n x ∥)
n : nat
a : A
l : list A
X : P n a
allq1 : list A
allq : All Q allq1


Level 1: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All Q allq1)"
in
environment:
T : Type -> Type
M : Monad T
A : Type
P : nat -> A -> Type
Q : A -> Type
f : forall (n : nat) (x : A), ∥ Q x ∥ -> T (∥ P n x ∥)
n : nat
a : A
l : list A
X : P n a
allq1 : list A
allq : All Q allq1

Level 0: Backtrace:


Could not find an instance for "DepElim.DependentEliminationPackage
                                  (All Q allq1)"
in
environment:
T : Type -> Type
M : Monad T
A : Type
P : nat -> A -> Type
Q : A -> Type
f : forall (n : nat) (x : A), ∥ Q x ∥ -> T (∥ P n x ∥)
n : nat
a : A
l : list A
X : P n a
allq1 : list A
allq : All Q allq1