Theorem eqidd ≪ | index | src | ≫

theorem eqidd (G: wff) (a: nat): $ G -> a = a $;

Step	Hyp	Ref	Expression
1		eqid	a = a
2	1	a1i	G -> a = a

Axiom use

axs_prop_calc (ax_1, ax_2, ax_3, ax_mp), axs_pred_calc (ax_gen, ax_4, ax_5, ax_6, ax_7)