fact: Definition I2 : Interface := [interface #val #[4] : 'bool × 'bool → 'bool ].
imports: Coq(Utf8) mathcomp(ssrnat ssreflect ssrfun ssrbool ssrnum eqtype choice seq) extructures(ord fset fmap) Crypt(RulesStateProb Package Prelude) Equations(Equations)