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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 |
| Syntax hints: ≠ wne 2420 |
| 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 623 ax-in2 624 ax-5 1500 ax-gen 1502 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-cleq 2231 df-ne 2421 |
| This theorem is referenced by: 0nep0 4300 xp01disj 6700 xp01disjl 6701 rex2dom 7104 djulclb 7389 djuinr 7397 2oneel 7616 pnfnemnf 8374 mnfnepnf 8375 ltneii 8416 1ne0 9355 0ne2 9493 fzprval 10472 0tonninf 10860 1tonninf 10861 ressplusgd 13466 ressmulrg 13482 fnpr2o 13643 fvpr0o 13645 fvpr1o 13646 mgpress 14213 rmodislmod 14671 sralemg 14758 srascag 14762 sratsetg 14765 sradsg 14768 zlmbasg 14947 zlmplusgg 14948 zlmmulrg 14949 zlmsca 14950 znbas2 14958 znadd 14959 znmul 14960 usgrexmpldifpr 16473 konigsbergiedgwen 16708 konigsberglem2 16713 konigsberglem3 16714 konigsberglem5 16716 |
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