1/1: Building eq (eq.idr)
Error: badeq x y p is not a valid impossible case.

eq:27:1--27:23
 23 | eqL2 : (xs : List a) -> (x :: xs = x :: y :: xs) -> Nat
 24 | eqL2 xs p impossible
 25 | 
 26 | badeq : (x : Nat) -> (y : Nat) -> (S (S x) = S y) -> Nat
 27 | badeq x y p impossible
      ^^^^^^^^^^^^^^^^^^^^^^

Error: badeqL xs ys p is not a valid impossible case.

eq:30:1--30:26
 26 | badeq : (x : Nat) -> (y : Nat) -> (S (S x) = S y) -> Nat
 27 | badeq x y p impossible
 28 | 
 29 | badeqL : (xs : List a) -> (ys : List a) -> (x :: xs = x :: y :: ys) -> Nat
 30 | badeqL xs ys p impossible
      ^^^^^^^^^^^^^^^^^^^^^^^^^