Theorem all0 | index | src |

theorem all0 (A: set): $ all A 0 $;
StepHypRefExpression
1 absurd
~x e. lmems 0 -> x e. lmems 0 -> x e. A
2 lmem0
~x IN 0
3 2 conv lmem
~x e. lmems 0
4 1, 3 ax_mp
x e. lmems 0 -> x e. A
5 4 ax_gen
A. x (x e. lmems 0 -> x e. A)
6 5 conv all, subset
all A 0

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)