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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 2486 | . 2 ⊢ (𝐴 ≠ 𝐵 ↔ 𝐵 ≠ 𝐴) | |
| 3 | 1, 2 | mpbi 145 | 1 ⊢ 𝐵 ≠ 𝐴 |
| Colors of variables: wff set class |
| Syntax hints: ≠ wne 2402 |
| 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 1495 ax-gen 1497 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-cleq 2224 df-ne 2403 |
| This theorem is referenced by: 0nep0 4255 xp01disj 6601 xp01disjl 6602 rex2dom 6996 djulclb 7254 djuinr 7262 2oneel 7475 pnfnemnf 8234 mnfnepnf 8235 ltneii 8276 1ne0 9211 0ne2 9349 fzprval 10317 0tonninf 10703 1tonninf 10704 ressplusgd 13217 ressmulrg 13233 fnpr2o 13427 fvpr0o 13429 fvpr1o 13430 mgpress 13950 rmodislmod 14371 sralemg 14458 srascag 14462 sratsetg 14465 sradsg 14468 zlmbasg 14649 zlmplusgg 14650 zlmmulrg 14651 zlmsca 14652 znbas2 14660 znadd 14661 znmul 14662 usgrexmpldifpr 16106 |
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