Goal:
    x : VSet.E.t  y : VSet.E.t
  ============================
   (y = y)


DEBUG:Going to execute:
<coq-core.plugins.ltac::trivial@0> $1 $2

Goals:

DEBUG:Going to execute:
hnf

Goals:

DEBUG:Going to execute:
intros

Goals:

DEBUG:Going to execute:
solve
[ do
![ solve
 [ trivial | apply : eq_sym ; trivial ]
 | discriminate
 | contradiction
 | Ltac.split ]
| case not_locked_false_eq_true; Ltac.assumption
| match goal with
  | H:~ _ |- _ => solve [ case H; trivial ]
  end ]

Goals:
    x : VSet.E.t  y : VSet.E.t
  ============================
   (VSet.E.lt x y -> reflectProp (x = y) false)

    x : VSet.E.t  y : VSet.E.t
  ============================
   (VSet.E.lt y x -> reflectProp (x = y) false)


DEBUG:Going to execute:
move  =>p; apply : reflectF  => eq; move : p 

Goals:
    x : VSet.E.t  y : VSet.E.t
  ============================
   (VSet.E.lt x y -> reflectProp (x = y) false)

    x : VSet.E.t  y : VSet.E.t
  ============================
   (VSet.E.lt y x -> reflectProp (x = y) false)


DEBUG:Going to execute:
move  =>p; apply : reflectF  => eq

Goals:
    x : VSet.E.t  y : VSet.E.t
  ============================
   (VSet.E.lt x y -> reflectProp (x = y) false)

    x : VSet.E.t  y : VSet.E.t
  ============================
   (VSet.E.lt y x -> reflectProp (x = y) false)


DEBUG:Going to execute:
move  =>p