fact: Definition R_in_mapK_Bool {b b' : Bool} (bR : BoolR b b') : map_in_R_Bool (R_in_map_Bool bR) = bR := match bR with | falseR => idpath | trueR => idpath end.
imports: Coq(ssreflect) HoTT(HoTT) HoTT_additions Hierarchy