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Mirrors > Home > MPE Home > Th. List > eqnetrrd | Structured version Visualization version GIF version |
Description: Substitution of equal classes into an inequality. (Contributed by NM, 4-Jul-2012.) |
Ref | Expression |
---|---|
eqnetrrd.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
eqnetrrd.2 | ⊢ (𝜑 → 𝐴 ≠ 𝐶) |
Ref | Expression |
---|---|
eqnetrrd | ⊢ (𝜑 → 𝐵 ≠ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqnetrrd.1 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐵) | |
2 | 1 | eqcomd 2827 | . 2 ⊢ (𝜑 → 𝐵 = 𝐴) |
3 | eqnetrrd.2 | . 2 ⊢ (𝜑 → 𝐴 ≠ 𝐶) | |
4 | 2, 3 | eqnetrd 3083 | 1 ⊢ (𝜑 → 𝐵 ≠ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ≠ wne 3016 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-9 2120 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1777 df-cleq 2814 df-ne 3017 |
This theorem is referenced by: eqnetrrid 3091 3netr3d 3092 cantnflem1c 9149 eqsqrt2d 14727 tanval2 15485 tanval3 15486 tanhlt1 15512 pcadd 16224 efgsres 18863 gsumval3 19026 ablfac 19209 ablsimpgfind 19231 isdrngrd 19527 lspsneq 19893 lebnumlem3 23566 minveclem4a 24032 evthicc 24059 ioorf 24173 deg1ldgn 24686 fta1blem 24761 vieta1lem1 24898 vieta1lem2 24899 vieta1 24900 tanregt0 25122 isosctrlem2 25396 angpieqvd 25408 chordthmlem2 25410 dcubic2 25421 dquartlem1 25428 dquart 25430 asinlem 25445 atandmcj 25486 2efiatan 25495 tanatan 25496 dvatan 25512 dmgmn0 25602 dmgmdivn0 25604 lgamgulmlem2 25606 gamne0 25622 footexALT 26503 footexlem1 26504 footexlem2 26505 ttgcontlem1 26670 wlkn0 27401 fsuppcurry1 30460 fsuppcurry2 30461 bcm1n 30517 sibfof 31598 nosep1o 33186 noetalem3 33219 finxpreclem2 34670 poimirlem9 34900 heicant 34926 heiborlem6 35093 lkrlspeqN 36306 cdlemg18d 37816 cdlemg21 37821 dibord 38294 lclkrlem2u 38662 lcfrlem9 38685 mapdindp4 38858 hdmaprnlem3uN 38986 hdmaprnlem9N 38992 binomcxplemnotnn0 40686 dstregt0 41545 stoweidlem31 42315 stoweidlem59 42343 wallispilem4 42352 dirkertrigeqlem2 42383 fourierdlem43 42434 fourierdlem65 42455 |
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