DEFINITION leq_ind()
TYPE =
∀g:G
.∀P:A→A→Prop
.∀n:nat
.∀n1:nat
.∀n2:nat
.∀n3:nat
.∀n4:nat
.eq A (aplus g (ASort n n2) n4) (aplus g (ASort n1 n3) n4)
→P (ASort n n2) (ASort n1 n3)
→(∀a:A
.∀a1:A
.leq g a a1
→(P a a1)→∀a2:A.∀a3:A.(leq g a2 a3)→(P a2 a3)→(P (AHead a a2) (AHead a1 a3))
→∀a:A.∀a1:A.(leq g a a1)→(P a a1))
BODY =
Show proof