veristar.list_denote veristar.heapresolve
veristar.model_type veristar.model.
Module Type SUBST_SOUND.
Declare Module VSD: VERISTAR_DEFS.

Axiom clause_denote_PureClause_sound: forall i e Gamma Delta,
clause_denote (mkPureClause (subst_pures_delete i e Gamma) Delta) =
clause_denote (mkPureClause (subst_pures i e Gamma) Delta).