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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 2484 | . 2 ⊢ (𝐴 ≠ 𝐵 ↔ 𝐵 ≠ 𝐴) | |
| 3 | 1, 2 | mpbi 145 | 1 ⊢ 𝐵 ≠ 𝐴 |
| Colors of variables: wff set class |
| Syntax hints: ≠ wne 2400 |
| 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 617 ax-in2 618 ax-5 1493 ax-gen 1495 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-cleq 2222 df-ne 2401 |
| This theorem is referenced by: 0nep0 4253 xp01disj 6596 xp01disjl 6597 rex2dom 6991 djulclb 7248 djuinr 7256 2oneel 7468 pnfnemnf 8227 mnfnepnf 8228 ltneii 8269 1ne0 9204 0ne2 9342 fzprval 10310 0tonninf 10695 1tonninf 10696 ressplusgd 13205 ressmulrg 13221 fnpr2o 13415 fvpr0o 13417 fvpr1o 13418 mgpress 13937 rmodislmod 14358 sralemg 14445 srascag 14449 sratsetg 14452 sradsg 14455 zlmbasg 14636 zlmplusgg 14637 zlmmulrg 14638 zlmsca 14639 znbas2 14647 znadd 14648 znmul 14649 usgrexmpldifpr 16093 |
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