Theorem b1mod2 | index | src |

theorem b1mod2 (n: nat): $ b1 n % 2 = 1 $;
StepHypRefExpression
1 b1odd
odd (b1 n)
2 1 conv odd
b1 n % 2 = 1

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)