Theorem zltnle ≪ | index | src | ≫

theorem zltnle (a b: nat): $ a  ~b <=Z a $;

Step	Hyp	Ref	Expression
1		con2b	(b <=Z a <-> ~a <Z b) -> (a <Z b <-> ~b <=Z a)
2		zlenlt	b <=Z a <-> ~a <Z b
3	1, 2	ax_mp	a <Z b <-> ~b <=Z a

Axiom use

axs_prop_calc (ax_1, ax_2, ax_3, ax_mp)