(**************************************************************************)
-(* ___ *)
+(* ___ *)
(* ||M|| *)
(* ||A|| A project by Andrea Asperti *)
(* ||T|| *)
'nleq x y = (cic:/Coq/Init/Logic/not.con
(cic:/Coq/Init/Peano/le.ind#xpointer(1/1) x y)).
+(* aliases *)
+
+(* FG: This is because "and" is a reserved keyword of the parser *)
+alias id "land" = "cic:/Coq/Init/Logic/and.ind#xpointer(1/1)".
+
+(* theorems *)
+
theorem f_equal1 :
\forall A,B:Type. \forall f:A \to B. \forall x,y:A.
x = y \to f y = f x.