Theorem theeq | index | src |

theorem theeq (A B: set): $ A == B -> the A = the B $;
StepHypRefExpression
1 id
A == B -> A == B
2 1 theeqd
A == B -> the A = the B

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, ax_10, ax_12), axs_set (ax_8), axs_the (theid, the0)