Theorem snoceq1 | index | src |

theorem snoceq1 (_l1 _l2 a: nat): $ _l1 = _l2 -> _l1 |> a = _l2 |> a $;
StepHypRefExpression
1 id
_l1 = _l2 -> _l1 = _l2
2 1 snoceq1d
_l1 = _l2 -> _l1 |> a = _l2 |> a

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)