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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 2743 | . 2 ⊢ (𝜑 → 𝐵 = 𝐶) |
| 4 | 1, 3 | neeqtrd 3002 | 1 ⊢ (𝜑 → 𝐴 ≠ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ≠ wne 2933 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-cleq 2729 df-ne 2934 |
| This theorem is referenced by: 3netr4d 3010 ttukeylem7 10437 modsumfzodifsn 13879 expnprm 16842 symgextf1lem 19361 isabvd 20757 flimclslem 23940 chordthmlem 26810 atandmtan 26898 dchrptlem3 27245 noetasuplem4 27716 opphllem6 28836 nrt2irr 30560 unidifsnne 32623 pmtrcnel 33183 pmtrcnel2 33184 cycpmrn 33237 qsdrnglem2 33589 fedgmul 33809 irngnzply1 33869 minplyelirng 33893 irredminply 33894 signstfveq0a 34754 subfacp1lem5 35400 ovoliunnfl 37913 voliunnfl 37915 volsupnfl 37916 cdleme40n 40844 cdleme40w 40846 cdlemg33c 41084 cdlemg33e 41086 trlcocnvat 41100 cdlemh2 41192 cdlemh 41193 cdlemj3 41199 cdlemk24-3 41279 cdlemkfid1N 41297 erng1r 41371 dvalveclem 41401 tendoinvcl 41480 tendolinv 41481 tendorinv 41482 dihatlat 41710 mapdpglem18 42065 mapdpglem22 42069 baerlem5amN 42092 baerlem5bmN 42093 baerlem5abmN 42094 mapdindp1 42096 mapdindp4 42099 hdmap14lem4a 42247 uvcn0 42912 prjspner1 42984 nlimsuc 43797 imo72b2lem2 44523 imo72b2 44528 gpg5nbgrvtx03starlem2 48429 gpg5nbgrvtx13starlem2 48432 islindeps2 48843 fucofvalne 49684 |
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