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