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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 3028 | 1 ⊢ (𝜑 → 𝐴 ≠ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ≠ wne 2959 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-9 2157 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-cleq 2755 df-ne 2960 |
| This theorem is used by: 3netr4d 3036 iunopeqop 5501 ttukeylem7 10632 modsumfzodifsn 14127 expnprm 17124 symgextf1lem 19685 isabvd 21120 flimclslem 24358 chordthmlem 27217 atandmtan 27305 dchrptlem3 27650 flt4 28048 noetasuplem4 28150 opphllem6 29285 angmgmaddov1 29445 prlngmid2 29496 nrt2irr 31131 unidifsnne 33230 pmtrcnel 33749 pmtrcnel2 33750 cycpmrn 33803 qsdrnglem2 34124 fedgmul 34374 irngnzply1 34434 minplyelirng 34458 irredminply 34459 signstfveq0a 35316 ecscottd 35885 subfacp1lem5 36157 mh-inf3f1 37544 ovoliunnfl 38848 voliunnfl 38850 volsupnfl 38851 cdleme40n 41791 cdleme40w 41793 cdlemg33c 42031 cdlemg33e 42033 trlcocnvat 42047 cdlemh2 42139 cdlemh 42140 cdlemj3 42146 cdlemk24-3 42226 cdlemkfid1N 42244 erng1r 42318 dvalveclem 42348 tendoinvcl 42427 tendolinv 42428 tendorinv 42429 dihatlat 42657 mapdpglem18 43012 mapdpglem22 43016 baerlem5amN 43039 baerlem5bmN 43040 baerlem5abmN 43041 mapdindp1 43043 mapdindp4 43046 hdmap14lem4a 43194 uvcn0 43872 frlmnzcoordsca 43924 nlimsuc 44703 imo72b2lem2 45428 imo72b2 45433 gpg5nbgrvtx03starlem2 49440 gpg5nbgrvtx13starlem2 49443 islindeps2 49926 fucofvalne 50778 |
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