fact: Definition independent_of (P: assertion) (vars: ident -> Prop) : Prop := forall h s1 s2, (forall x, ~ vars x -> s2 x = s1 x) -> P s1 h -> P s2 h.
imports: Coq(ZArith Psatz Bool String List Wellfounded Program.Equality) Coq(FunctionalExtensionality PropExtensionality) CDF(IMP Sequences)