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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 2504 | . 2 ⊢ (𝐴 ≠ 𝐵 ↔ 𝐵 ≠ 𝐴) | |
| 3 | 1, 2 | mpbi 145 | 1 ⊢ 𝐵 ≠ 𝐴 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ≠ wne 2420 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-5 1500 ax-gen 1502 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-cleq 2231 df-ne 2421 |
| This theorem is used by: 0nep0 4302 xp01disj 6706 xp01disjl 6707 rex2dom 7110 djulclb 7396 djuinr 7404 2oneel 7623 pnfnemnf 8381 mnfnepnf 8382 ltneii 8424 1ne0 9375 0ne2 9515 fzprval 10500 0tonninf 10891 1tonninf 10892 ressplusgd 13534 ressmulrg 13550 fnpr2o 13711 fvpr0o 13713 fvpr1o 13714 mgpress 14281 rmodislmod 14739 sralemg 14826 srascag 14830 sratsetg 14833 sradsg 14836 zlmbasg 15015 zlmplusgg 15016 zlmmulrg 15017 zlmsca 15018 znbas2 15026 znadd 15027 znmul 15028 usgrexmpldifpr 16612 konigsbergiedgwen 16847 konigsberglem2 16852 konigsberglem3 16853 konigsberglem5 16855 |
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