Load loadpath.
veristar.list_denote veristar.clause_lemmas veristar.heapresolve
veristar.model_type veristar.model veristar.spred_lemmas
veristar.clausify_sound veristar.basic veristar.compare.
Module Type UF_SOUND.
Declare Module VSM : VERISTAR_MODEL.

Axiom unfolding_sound : forall c1 c2 s,
clause_denote c1 s -> clause_denote c2 s ->
setd clause_denote inter TT (unfolding c1 c2) s.