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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 |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ≠ wne 2958 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-9 2156 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1812 df-cleq 2755 df-ne 2959 |
| This theorem is used by: 3netr4d 3035 iunopeqop 5497 ttukeylem7 10603 modsumfzodifsn 14097 expnprm 17092 symgextf1lem 19646 isabvd 21081 flimclslem 24315 chordthmlem 27172 atandmtan 27260 dchrptlem3 27605 flt4 28003 noetasuplem4 28105 opphllem6 29240 angmgmaddov1 29400 prlngmid2 29451 nrt2irr 31086 unidifsnne 33186 pmtrcnel 33703 pmtrcnel2 33704 cycpmrn 33757 qsdrnglem2 34073 fedgmul 34316 irngnzply1 34376 minplyelirng 34400 irredminply 34401 signstfveq0a 35258 ecscottd 35823 subfacp1lem5 36070 mh-inf3f1 37456 ovoliunnfl 38720 voliunnfl 38722 volsupnfl 38723 cdleme40n 41665 cdleme40w 41667 cdlemg33c 41905 cdlemg33e 41907 trlcocnvat 41921 cdlemh2 42013 cdlemh 42014 cdlemj3 42020 cdlemk24-3 42100 cdlemkfid1N 42118 erng1r 42192 dvalveclem 42222 tendoinvcl 42301 tendolinv 42302 tendorinv 42303 dihatlat 42531 mapdpglem18 42886 mapdpglem22 42890 baerlem5amN 42913 baerlem5bmN 42914 baerlem5abmN 42915 mapdindp1 42917 mapdindp4 42920 hdmap14lem4a 43068 uvcn0 43746 frlmnzcoordsca 43798 nlimsuc 44582 imo72b2lem2 45307 imo72b2 45312 gpg5nbgrvtx03starlem2 49306 gpg5nbgrvtx13starlem2 49309 islindeps2 49734 fucofvalne 50586 |
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