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| 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 9322 0ne2 9460 fzprval 10438 0tonninf 10826 1tonninf 10827 ressplusgd 13426 ressmulrg 13442 fnpr2o 13636 fvpr0o 13638 fvpr1o 13639 mgpress 14159 rmodislmod 14611 sralemg 14698 srascag 14702 sratsetg 14705 sradsg 14708 zlmbasg 14889 zlmplusgg 14890 zlmmulrg 14891 zlmsca 14892 znbas2 14900 znadd 14901 znmul 14902 usgrexmpldifpr 16356 konigsbergiedgwen 16591 konigsberglem2 16596 konigsberglem3 16597 konigsberglem5 16599 |
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