Goal:
    x : V.t  y : V.t  p : VSet.t  a : V.t  H : VSet.In a p
  ============================
   (VSet.In a p)


DEBUG:Going to execute:
fun => <coq-core.plugins.ltac::assumption@0>

Goals:

DEBUG:Going to execute:
easy

Goals:

DEBUG:Going to execute:
easy0 || (solve [ intuition eauto  3 with core terms ])