| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > necomi | GIF version | ||
| Description: Inference from commutative law for inequality. (Contributed by NM, 17-Oct-2012.) |
| Ref | Expression |
|---|---|
| necomi.1 | ⊢ 𝐴 ≠ 𝐵 |
| Ref | Expression |
|---|---|
| necomi | ⊢ 𝐵 ≠ 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | necomi.1 | . 2 ⊢ 𝐴 ≠ 𝐵 | |
| 2 | necom 2498 | . 2 ⊢ (𝐴 ≠ 𝐵 ↔ 𝐵 ≠ 𝐴) | |
| 3 | 1, 2 | mpbi 145 | 1 ⊢ 𝐵 ≠ 𝐴 |
| Colors of variables: wff set class |
| Syntax hints: ≠ wne 2414 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-5 1496 ax-gen 1498 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-cleq 2227 df-ne 2415 |
| This theorem is referenced by: 0nep0 4283 xp01disj 6679 xp01disjl 6680 rex2dom 7076 djulclb 7359 djuinr 7367 2oneel 7586 pnfnemnf 8344 mnfnepnf 8345 ltneii 8386 1ne0 9325 0ne2 9463 fzprval 10441 0tonninf 10829 1tonninf 10830 ressplusgd 13430 ressmulrg 13446 fnpr2o 13607 fvpr0o 13609 fvpr1o 13610 mgpress 14174 rmodislmod 14629 sralemg 14716 srascag 14720 sratsetg 14723 sradsg 14726 zlmbasg 14907 zlmplusgg 14908 zlmmulrg 14909 zlmsca 14910 znbas2 14918 znadd 14919 znmul 14920 usgrexmpldifpr 16374 konigsbergiedgwen 16609 konigsberglem2 16614 konigsberglem3 16615 konigsberglem5 16617 |
| Copyright terms: Public domain | W3C validator |