Goal:
    A : Type  R : ReflectEq A  x : A  Heq_anonymous : false = (x == x)
  ============================
   False


DEBUG:Going to execute:
intro
Level 2: Backtrace:

The goal is not a product.
Level 2: Backtrace:

The goal is not a product.
Level 2: Backtrace:

The goal is not a product.
Level 2: Backtrace:

The goal is not a product.