Theorem sublistAteq2 ≪ | index | src | ≫

theorem sublistAteq2 (n _L11 _L12 L2: nat):
  $ _L11 = _L12 -> (sublistAt n _L11 L2 <-> sublistAt n _L12 L2) $;

Step	Hyp	Ref	Expression
1		id	_L11 = _L12 -> _L11 = _L12
2	1	sublistAteq2d	_L11 = _L12 -> (sublistAt n _L11 L2 <-> sublistAt n _L12 L2)

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)