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| Mirrors > Home > MPE Home > Th. List > nesymi | Structured version Visualization version GIF version | ||
| Description: Inference associated with nesym 2988. (Contributed by BJ, 7-Jul-2018.) (Proof shortened by Wolf Lammen, 25-Nov-2019.) |
| Ref | Expression |
|---|---|
| nesymi.1 | ⊢ 𝐴 ≠ 𝐵 |
| Ref | Expression |
|---|---|
| nesymi | ⊢ ¬ 𝐵 = 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nesymi.1 | . . 3 ⊢ 𝐴 ≠ 𝐵 | |
| 2 | 1 | necomi 2986 | . 2 ⊢ 𝐵 ≠ 𝐴 |
| 3 | 2 | neii 2934 | 1 ⊢ ¬ 𝐵 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1541 ≠ wne 2932 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-9 2123 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-cleq 2728 df-ne 2933 |
| This theorem is referenced by: 0nelopab 5513 0nelxp 5658 1sdom2dom 9154 recgt0ii 12048 xrltnr 13033 nltmnf 13043 xnn0xadd0 13162 fnpr2ob 17479 setcepi 18012 pmtrprfval 19416 pmtrprfvalrn 19417 cnfldfun 21323 cnfldfunOLD 21336 zringndrg 21423 vieta1lem2 26275 2lgslem3 27371 2lgslem4 27373 ltsval2 27624 nosgnn0 27626 nogt01o 27664 structiedg0val 29095 snstriedgval 29111 rusgrnumwwlkl1 30044 clwwlknon1sn 30175 frgrreggt1 30468 1nei 32816 sgnnbi 32919 sgnpbi 32920 rtelextdg2lem 33883 ballotlemi1 34660 plymulx0 34704 fmlaomn0 35584 fmla0disjsuc 35592 fmlasucdisj 35593 bj-0nel1 37154 bj-0nelsngl 37172 bj-pr22val 37220 bj-pinftynminfty 37428 finxp0 37592 wepwsolem 43280 refsum2cnlem1 45278 spr0nelg 47718 oddprmALTV 47929 |
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