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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 5089 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴𝑅𝐶 ↔ 𝐵𝑅𝐶)) | |
| 2 | breq2 5090 | . 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 5086 |
| 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 3391 df-v 3432 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 |
| This theorem is referenced by: breq12i 5095 breq12d 5099 breqan12d 5102 rbropapd 5512 posn 5712 dfrel4 6151 dfpo2 6256 isopolem 7295 poxp 8073 soxp 8074 fnse 8078 poxp2 8088 poxp3 8095 ecopover 8763 canth2g 9064 ttrclss 9636 ttrclselem2 9642 infxpen 9931 sornom 10194 dcomex 10364 zorn2lem6 10418 brdom6disj 10449 fpwwe2 10561 rankcf 10695 ltresr 11058 ltxrlt 11211 wloglei 11677 ltxr 13061 xrltnr 13065 xrltnsym 13083 xrlttri 13085 xrlttr 13086 brfi1uzind 14465 brfi1indALT 14467 f1olecpbl 17486 isfull 17874 isfth 17878 prslem 18258 pslem 18533 dirtr 18563 xrsdsval 21404 dvcvx 26001 2sqmo 27418 2sqreultblem 27429 2sqreunnltblem 27432 2sqreuopb 27449 lesrec 27809 addsproplem2 27980 negsproplem2 28039 recut 28504 elreno2 28505 axcontlem9 29059 isrusgr 29649 wlk2f 29717 istrlson 29792 upgrwlkdvspth 29826 ispthson 29829 isspthson 29830 crctcshwlk 29909 crctcsh 29911 2pthon3v 30030 umgr2wlk 30036 0pthonv 30218 1pthon2v 30242 uhgr3cyclex 30271 brfinext 33816 finextfldext 33828 bralgext 33861 mclsppslem 35785 fununiq 35971 elfix2 36104 poimirlem10 37969 poimirlem11 37970 dvdsexpnn0 42784 monotoddzzfi 43392 or2expropbi 47498 dfatcolem 47719 sprsymrelfolem2 47969 poprelb 48000 cycldlenngric 48420 gpgprismgr4cyclex 48599 lgricngricex 48621 lindepsnlininds 48944 catprslem 49501 |
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