Goal:
    G : t  s : VSet.t  x : V.t  n : Z  lspeq : lsp0 s x x = Some n
  ============================
   (0 <= n -> 0 <= n)


DEBUG:Going to execute:
<coq-core.plugins.ltac::auto@0> $1 $2 $3
DEBUG LTAC Evaluated term: lspeq
DEBUG LTAC Evaluated term: lspeq