Goal:
    p : nat -> bool  q : nat -> bool  i : nat
  ============================
   (p i ==> p i || q i = true)


DEBUG:Going to execute:
<coq-core.plugins.ssreflect::ssrrewrite@0> $1 $2
DEBUG LTAC Evaluated term: predA
DEBUG LTAC Evaluated term: predA
DEBUG LTAC Evaluated term: predU
DEBUG LTAC Evaluated term: predU
DEBUG LTAC Evaluated term: Prop
DEBUG LTAC Evaluated term: Prop