| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > neeqtrd | Structured version Visualization version GIF version | ||
| Description: Substitution of equal classes into an inequality. (Contributed by NM, 4-Jul-2012.) |
| Ref | Expression |
|---|---|
| neeqtrd.1 | ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| neeqtrd.2 | ⊢ (𝜑 → 𝐵 = 𝐶) |
| Ref | Expression |
|---|---|
| neeqtrd | ⊢ (𝜑 → 𝐴 ≠ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | neeqtrd.1 | . 2 ⊢ (𝜑 → 𝐴 ≠ 𝐵) | |
| 2 | neeqtrd.2 | . . 3 ⊢ (𝜑 → 𝐵 = 𝐶) | |
| 3 | 2 | neeq2d 3018 | . 2 ⊢ (𝜑 → (𝐴 ≠ 𝐵 ↔ 𝐴 ≠ 𝐶)) |
| 4 | 1, 3 | mpbid 235 | 1 ⊢ (𝜑 → 𝐴 ≠ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ≠ wne 2958 |
| This proof depends on 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 proof depends on definitions: df-bi 210 df-an 401 df-ex 1810 df-cleq 2755 df-ne 2959 |
| This theorem is used by: neeqtrrd 3032 3netr3d 3034 xaddass2 13280 xov1plusxeqvd 13529 smndex2dnrinv 18981 ablsimpgfindlem1 20183 issubdrg 20892 0ringprmidl 21486 qsssubdrg 21585 ply1scln0 22461 alexsublem 24210 cphsubrglem 25345 cphreccllem 25346 mdegldg 26232 nosep2o 27855 noetainflem4 27913 tglinethru 28918 footexALT 29007 footexlem2 29009 lnssplng 29083 nrt2irr 30833 sdrgdvcl 33629 sdrginvcl 33630 0ringmon1p 33856 irngnzply1lem 34089 irngnminplynz 34111 minplym1p 34112 minplynzm1p 34113 algextdeglem4 34119 mh-inf3f1 37080 poimirlem26 38325 lkrpssN 39965 lnatexN 40581 lhpexle2lem 40811 lhpexle3lem 40813 cdlemg47 41538 cdlemk54 41760 tendoinvcl 41906 lcdlkreqN 42424 mapdh8ab 42579 aks6d1c5lem2 42933 aks6d1c7 42979 jm2.26lem3 43756 stoweidlem36 46778 addmodne 48115 p1modne 48118 m1modne 48119 minusmod5ne 48120 gpg5nbgrvtx03starlem2 48862 gpg5nbgrvtx13starlem2 48865 gpg5edgnedg 48923 |
| Copyright terms: Public domain | W3C validator |