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| Mirrors > Home > MPE Home > Th. List > brabga | Structured version Visualization version GIF version | ||
| Description: The law of concretion for a binary relation. (Contributed by Mario Carneiro, 19-Dec-2013.) |
| Ref | Expression |
|---|---|
| opelopabga.1 | ⊢ ((𝑥 = 𝐴 ∧ 𝑦 = 𝐵) → (𝜑 ↔ 𝜓)) |
| brabga.2 | ⊢ 𝑅 = {〈𝑥, 𝑦〉 ∣ 𝜑} |
| Ref | Expression |
|---|---|
| brabga | ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (𝐴𝑅𝐵 ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-br 5076 | . . 3 ⊢ (𝐴𝑅𝐵 ↔ 〈𝐴, 𝐵〉 ∈ 𝑅) | |
| 2 | brabga.2 | . . . 4 ⊢ 𝑅 = {〈𝑥, 𝑦〉 ∣ 𝜑} | |
| 3 | 2 | eleq2i 2833 | . . 3 ⊢ (〈𝐴, 𝐵〉 ∈ 𝑅 ↔ 〈𝐴, 𝐵〉 ∈ {〈𝑥, 𝑦〉 ∣ 𝜑}) |
| 4 | 1, 3 | bitri 277 | . 2 ⊢ (𝐴𝑅𝐵 ↔ 〈𝐴, 𝐵〉 ∈ {〈𝑥, 𝑦〉 ∣ 𝜑}) |
| 5 | opelopabga.1 | . . 3 ⊢ ((𝑥 = 𝐴 ∧ 𝑦 = 𝐵) → (𝜑 ↔ 𝜓)) | |
| 6 | 5 | opelopabga 5478 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (〈𝐴, 𝐵〉 ∈ {〈𝑥, 𝑦〉 ∣ 𝜑} ↔ 𝜓)) |
| 7 | 4, 6 | bitrid 285 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (𝐴𝑅𝐵 ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∧ wa 397 = wceq 1548 ∈ wcel 2121 〈cop 4564 class class class wbr 5075 {copab 5137 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 ax-sep 5221 ax-pr 5365 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-rab 3394 df-v 3435 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-sn 4559 df-pr 4561 df-op 4565 df-br 5076 df-opab 5138 |
| This theorem is referenced by: braba 5482 brabg 5484 epelg 5522 brcog 5811 fmptco 7075 ofrfvalg 7632 isfsupp 9272 wemaplem1 9455 oemapval 9599 wemapwe 9613 fpwwe2lem2 10550 fpwwelem 10563 clim 15451 rlim 15452 vdwmc 16944 isstruct2 17114 brssc 17776 isfunc 17826 isfull 17874 isfth 17878 ipole 18495 eqgval 19147 frgpuplem 19742 dvdsr 20337 islindf 21791 ulmval 26367 hpgbr 28850 isausgr 29255 issubgr 29362 isrgr 29650 isrusgr 29652 istrlson 29795 upgrwlkdvspth 29829 ispthson 29832 isspthson 29833 erclwwlkeq 30110 erclwwlkneq 30159 hlimi 31281 isinftm 33266 brfldext 33841 brfinext 33848 finextfldext 33860 bralgext 33893 fldext2chn 33924 constrextdg2lem 33944 metidv 34088 ismntoplly 34221 brae 34437 braew 34438 brfae 34444 satfbrsuc 35609 prv 35671 bj-epelg 37436 bj-ideqgALT 37533 bj-idreseq 37537 bj-idreseqb 37538 bj-ideqg1ALT 37540 ecqmap 38831 brsucmap 38848 brcoss 38903 brcoels 38907 brdmqss 39112 aks6d1c1p1 42607 climf 46081 climf2 46123 nelbr 47751 iscllaw 48694 iscomlaw 48695 isasslaw 48697 islininds 48951 lindepsnlininds 48957 |
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