Theorem sublistAteq3 ≪ | index | src | ≫

theorem sublistAteq3 (n L1 _L21 _L22: nat):
  $ _L21 = _L22 -> (sublistAt n L1 _L21 <-> sublistAt n L1 _L22) $;

Step	Hyp	Ref	Expression
1		id	_L21 = _L22 -> _L21 = _L22
2	1	sublistAteq3d	_L21 = _L22 -> (sublistAt n L1 _L21 <-> sublistAt n L1 _L22)

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), axs_the (theid, the0), axs_peano (peano2, addeq, muleq)