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| Mirrors > Home > MPE Home > Th. List > breq12 | Structured version Visualization version GIF version | ||
| Description: Equality theorem for a binary relation. (Contributed by NM, 8-Feb-1996.) |
| Ref | Expression |
|---|---|
| breq12 | ⊢ ((𝐴 = 𝐵 ∧ 𝐶 = 𝐷) → (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐷)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breq1 5088 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐶)) | |
| 2 | breq2 5089 | . 2 ⊢ (𝐶 = 𝐷 → (𝐵𝑅𝐶 ↔ 𝐵𝑅𝐷)) | |
| 3 | 1, 2 | sylan9bb 509 | 1 ⊢ ((𝐴 = 𝐵 ∧ 𝐶 = 𝐷) → (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐷)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 class class class wbr 5085 |
| 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-8 2116 ax-9 2124 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-br 5086 |
| This theorem is referenced by: breq12i 5094 breq12d 5098 breqan12d 5101 rbropapd 5517 posn 5717 dfrel4 6155 dfpo2 6260 isopolem 7300 poxp 8078 soxp 8079 fnse 8083 poxp2 8093 poxp3 8100 ecopover 8768 canth2g 9069 ttrclss 9641 ttrclselem2 9647 infxpen 9936 sornom 10199 dcomex 10369 zorn2lem6 10423 brdom6disj 10454 fpwwe2 10566 rankcf 10700 ltresr 11063 ltxrlt 11216 wloglei 11682 ltxr 13066 xrltnr 13070 xrltnsym 13088 xrlttri 13090 xrlttr 13091 brfi1uzind 14470 brfi1indALT 14472 f1olecpbl 17491 isfull 17879 isfth 17883 prslem 18263 pslem 18538 dirtr 18568 xrsdsval 21391 dvcvx 25987 2sqmo 27400 2sqreultblem 27411 2sqreunnltblem 27414 2sqreuopb 27431 lesrec 27791 addsproplem2 27962 negsproplem2 28021 recut 28486 elreno2 28487 axcontlem9 29041 isrusgr 29630 wlk2f 29698 istrlson 29773 upgrwlkdvspth 29807 ispthson 29810 isspthson 29811 crctcshwlk 29890 crctcsh 29892 2pthon3v 30011 umgr2wlk 30017 0pthonv 30199 1pthon2v 30223 uhgr3cyclex 30252 brfinext 33796 finextfldext 33808 bralgext 33841 mclsppslem 35765 fununiq 35951 elfix2 36084 poimirlem10 37951 poimirlem11 37952 dvdsexpnn0 42766 monotoddzzfi 43370 or2expropbi 47482 dfatcolem 47703 sprsymrelfolem2 47953 poprelb 47984 cycldlenngric 48404 gpgprismgr4cyclex 48583 lgricngricex 48605 lindepsnlininds 48928 catprslem 49485 |
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