include "basic_1/csubc/defs.ma".
-implied let rec csubc_ind (g: G) (P: (C \to (C \to Prop))) (f: (\forall (n:
+implied rec lemma csubc_ind (g: G) (P: (C \to (C \to Prop))) (f: (\forall (n:
nat).(P (CSort n) (CSort n)))) (f0: (\forall (c1: C).(\forall (c2: C).((csubc
g c1 c2) \to ((P c1 c2) \to (\forall (k: K).(\forall (v: T).(P (CHead c1 k v)
(CHead c2 k v))))))))) (f1: (\forall (c1: C).(\forall (c2: C).((csubc g c1