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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 4304 xp01disj 6711 xp01disjl 6712 rex2dom 7116 djulclb 7402 djuinr 7410 2oneel 7629 pnfnemnf 8387 mnfnepnf 8388 ltneii 8430 1ne0 9382 0ne2 9522 fzprval 10506 0tonninf 10898 1tonninf 10899 ressplusgd 13542 ressmulrg 13558 fnpr2o 13719 fvpr0o 13721 fvpr1o 13722 mgpress 14337 rmodislmod 14797 sralemg 14884 srascag 14888 sratsetg 14891 sradsg 14894 zlmbasg 15073 zlmplusgg 15074 zlmmulrg 15075 zlmsca 15076 znbas2 15084 znadd 15085 znmul 15086 usgrexmpldifpr 16728 konigsbergiedgwen 16963 konigsberglem2 16968 konigsberglem3 16969 konigsberglem5 16971 |
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