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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 2775 | . 2 ⊢ (𝜑 → 𝐵 = 𝐶) |
| 4 | 1, 3 | neeqtrd 3033 | 1 ⊢ (𝜑 → 𝐴 ≠ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ≠ wne 2964 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1807 df-cleq 2761 df-ne 2965 |
| This theorem is referenced by: 3netr4d 3041 iunopeqop 5505 ttukeylem7 10499 modsumfzodifsn 13980 expnprm 16962 symgextf1lem 19490 isabvd 20893 flimclslem 24110 chordthmlem 26963 atandmtan 27051 dchrptlem3 27396 noetasuplem4 27866 opphllem6 28992 nrt2irr 30765 unidifsnne 32823 pmtrcnel 33350 pmtrcnel2 33351 cycpmrn 33404 qsdrnglem2 33723 fedgmul 33966 irngnzply1 34026 minplyelirng 34050 irredminply 34051 signstfveq0a 34908 subfacp1lem5 35575 ovoliunnfl 38201 voliunnfl 38203 volsupnfl 38204 cdleme40n 41132 cdleme40w 41134 cdlemg33c 41372 cdlemg33e 41374 trlcocnvat 41388 cdlemh2 41480 cdlemh 41481 cdlemj3 41487 cdlemk24-3 41567 cdlemkfid1N 41585 erng1r 41659 dvalveclem 41689 tendoinvcl 41768 tendolinv 41769 tendorinv 41770 dihatlat 41998 mapdpglem18 42353 mapdpglem22 42357 baerlem5amN 42380 baerlem5bmN 42381 baerlem5abmN 42382 mapdindp1 42384 mapdindp4 42387 hdmap14lem4a 42535 uvcn0 43202 prjspner1 43250 nlimsuc 44059 imo72b2lem2 44785 imo72b2 44790 gpg5nbgrvtx03starlem2 48723 gpg5nbgrvtx13starlem2 48726 islindeps2 49148 fucofvalne 49988 |
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