Theorem coeq2 ≪ | index | src | ≫

theorem coeq2 (F _G1 _G2: set): $ _G1 == _G2 -> F o> _G1 == F o> _G2 $;

Step	Hyp	Ref	Expression
1		id	_G1 == _G2 -> _G1 == _G2
2	1	coeq2d	_G1 == _G2 -> F o> _G1 == F o> _G2

Axiom use

axs_prop_calc (ax_1, ax_2, ax_3, ax_mp, itru), axs_pred_calc (ax_gen, ax_4, ax_5, ax_6, ax_7, ax_10, ax_11, ax_12), axs_set (elab, ax_8)