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| Mirrors > Home > MPE Home > Th. List > neeqtrrd | Structured version Visualization version GIF version | ||
| Description: Substitution of equal classes into an inequality. (Contributed by NM, 4-Jul-2012.) |
| Ref | Expression |
|---|---|
| neeqtrrd.1 | ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| neeqtrrd.2 | ⊢ (𝜑 → 𝐶 = 𝐵) |
| Ref | Expression |
|---|---|
| neeqtrrd | ⊢ (𝜑 → 𝐴 ≠ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | neeqtrrd.1 | . 2 ⊢ (𝜑 → 𝐴 ≠ 𝐵) | |
| 2 | neeqtrrd.2 | . . 3 ⊢ (𝜑 → 𝐶 = 𝐵) | |
| 3 | 2 | eqcomd 2769 | . 2 ⊢ (𝜑 → 𝐵 = 𝐶) |
| 4 | 1, 3 | neeqtrd 3027 | 1 ⊢ (𝜑 → 𝐴 ≠ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1570 ≠ wne 2958 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1810 df-cleq 2755 df-ne 2959 |
| This theorem is referenced by: 3netr4d 3035 iunopeqop 5504 ttukeylem7 10494 modsumfzodifsn 13976 expnprm 16957 symgextf1lem 19485 isabvd 20915 flimclslem 24141 chordthmlem 26997 atandmtan 27085 dchrptlem3 27430 noetasuplem4 27900 opphllem6 29033 prlngmid2 29211 nrt2irr 30824 unidifsnne 32882 pmtrcnel 33409 pmtrcnel2 33410 cycpmrn 33463 qsdrnglem2 33778 fedgmul 34021 irngnzply1 34081 minplyelirng 34105 irredminply 34106 signstfveq0a 34963 subfacp1lem5 35676 ovoliunnfl 38333 voliunnfl 38335 volsupnfl 38336 cdleme40n 41262 cdleme40w 41264 cdlemg33c 41502 cdlemg33e 41504 trlcocnvat 41518 cdlemh2 41610 cdlemh 41611 cdlemj3 41617 cdlemk24-3 41697 cdlemkfid1N 41715 erng1r 41789 dvalveclem 41819 tendoinvcl 41898 tendolinv 41899 tendorinv 41900 dihatlat 42128 mapdpglem18 42483 mapdpglem22 42487 baerlem5amN 42510 baerlem5bmN 42511 baerlem5abmN 42512 mapdindp1 42514 mapdindp4 42517 hdmap14lem4a 42665 uvcn0 43330 prjspner1 43378 nlimsuc 44187 imo72b2lem2 44913 imo72b2 44918 gpg5nbgrvtx03starlem2 48854 gpg5nbgrvtx13starlem2 48857 islindeps2 49283 fucofvalne 50123 |
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