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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 5098 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐶)) | |
| 2 | breq2 5099 | . 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 1541 class class class wbr 5095 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2705 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2712 df-cleq 2725 df-clel 2808 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4285 df-if 4477 df-sn 4578 df-pr 4580 df-op 4584 df-br 5096 |
| This theorem is referenced by: breq12i 5104 breq12d 5108 breqan12d 5111 rbropapd 5507 posn 5707 dfrel4 6146 dfpo2 6251 isopolem 7288 poxp 8067 soxp 8068 fnse 8072 poxp2 8082 poxp3 8089 ecopover 8754 canth2g 9054 ttrclss 9620 ttrclselem2 9626 infxpen 9915 sornom 10178 dcomex 10348 zorn2lem6 10402 brdom6disj 10433 fpwwe2 10544 rankcf 10678 ltresr 11041 ltxrlt 11193 wloglei 11659 ltxr 13024 xrltnr 13028 xrltnsym 13046 xrlttri 13048 xrlttr 13049 brfi1uzind 14425 brfi1indALT 14427 f1olecpbl 17441 isfull 17829 isfth 17833 prslem 18213 pslem 18488 dirtr 18518 xrsdsval 21357 dvcvx 25962 2sqmo 27385 2sqreultblem 27396 2sqreunnltblem 27399 2sqreuopb 27416 slerec 27770 addsproplem2 27923 negsproplem2 27981 recut 28408 0reno 28409 axcontlem9 28961 isrusgr 29551 wlk2f 29619 istrlson 29694 upgrwlkdvspth 29728 ispthson 29731 isspthson 29732 crctcshwlk 29811 crctcsh 29813 2pthon3v 29932 umgr2wlk 29938 0pthonv 30120 1pthon2v 30144 uhgr3cyclex 30173 brfinext 33676 finextfldext 33688 bralgext 33721 mclsppslem 35638 fununiq 35824 elfix2 35957 poimirlem10 37680 poimirlem11 37681 dvdsexpnn0 42442 monotoddzzfi 43049 or2expropbi 47148 dfatcolem 47369 sprsymrelfolem2 47607 poprelb 47638 cycldlenngric 48042 gpgprismgr4cyclex 48221 lgricngricex 48243 lindepsnlininds 48567 catprslem 49125 |
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