fact: Record InstValRec := { inst_val_nid: NId; inst_val_clock: Clock; inst_val_val: Val }.
imports: Coq(FunctionalExtensionality Arith Lia) Coq(Arith.Peano_dec Arith.Compare_dec) Coq(Relations.Relation_Operators) Coq(List) Chapar(Predefs)