Theorem zeqmcom | index | src |

theorem zeqmcom (a b n: nat): $ modZ(n): a = b -> modZ(n): b = a $;
StepHypRefExpression
1 zeqmcomb
modZ(n): a = b <-> modZ(n): b = a
2 1 bi1i
modZ(n): a = b -> modZ(n): b = 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 (peano1, peano2, peano5, addeq, muleq, add0, addS, mul0, mulS)