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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 5103 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐶)) | |
| 2 | breq2 5104 | . 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 5100 |
| 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 2709 |
| 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 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-br 5101 |
| This theorem is referenced by: breq12i 5109 breq12d 5113 breqan12d 5116 rbropapd 5520 posn 5720 dfrel4 6159 dfpo2 6264 isopolem 7303 poxp 8082 soxp 8083 fnse 8087 poxp2 8097 poxp3 8104 ecopover 8772 canth2g 9073 ttrclss 9643 ttrclselem2 9649 infxpen 9938 sornom 10201 dcomex 10371 zorn2lem6 10425 brdom6disj 10456 fpwwe2 10568 rankcf 10702 ltresr 11065 ltxrlt 11217 wloglei 11683 ltxr 13043 xrltnr 13047 xrltnsym 13065 xrlttri 13067 xrlttr 13068 brfi1uzind 14445 brfi1indALT 14447 f1olecpbl 17462 isfull 17850 isfth 17854 prslem 18234 pslem 18509 dirtr 18539 xrsdsval 21382 dvcvx 25998 2sqmo 27421 2sqreultblem 27432 2sqreunnltblem 27435 2sqreuopb 27452 lesrec 27812 addsproplem2 27983 negsproplem2 28042 recut 28507 elreno2 28508 axcontlem9 29063 isrusgr 29653 wlk2f 29721 istrlson 29796 upgrwlkdvspth 29830 ispthson 29833 isspthson 29834 crctcshwlk 29913 crctcsh 29915 2pthon3v 30034 umgr2wlk 30040 0pthonv 30222 1pthon2v 30246 uhgr3cyclex 30275 brfinext 33836 finextfldext 33848 bralgext 33881 mclsppslem 35805 fununiq 35991 elfix2 36124 poimirlem10 37910 poimirlem11 37911 dvdsexpnn0 42733 monotoddzzfi 43328 or2expropbi 47423 dfatcolem 47644 sprsymrelfolem2 47882 poprelb 47913 cycldlenngric 48317 gpgprismgr4cyclex 48496 lgricngricex 48518 lindepsnlininds 48841 catprslem 49398 |
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