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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 5149 | . . 3 ⊢ (𝐴𝑅𝐵 ↔ ⟨𝐴, 𝐵⟩ ∈ 𝑅) | |
2 | brabga.2 | . . . 4 ⊢ 𝑅 = {⟨𝑥, 𝑦⟩ ∣ 𝜑} | |
3 | 2 | eleq2i 2826 | . . 3 ⊢ (⟨𝐴, 𝐵⟩ ∈ 𝑅 ↔ ⟨𝐴, 𝐵⟩ ∈ {⟨𝑥, 𝑦⟩ ∣ 𝜑}) |
4 | 1, 3 | bitri 275 | . 2 ⊢ (𝐴𝑅𝐵 ↔ ⟨𝐴, 𝐵⟩ ∈ {⟨𝑥, 𝑦⟩ ∣ 𝜑}) |
5 | opelopabga.1 | . . 3 ⊢ ((𝑥 = 𝐴 ∧ 𝑦 = 𝐵) → (𝜑 ↔ 𝜓)) | |
6 | 5 | opelopabga 5533 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (⟨𝐴, 𝐵⟩ ∈ {⟨𝑥, 𝑦⟩ ∣ 𝜑} ↔ 𝜓)) |
7 | 4, 6 | bitrid 283 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (𝐴𝑅𝐵 ↔ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1542 ∈ wcel 2107 ⟨cop 4634 class class class wbr 5148 {copab 5210 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-ext 2704 ax-sep 5299 ax-nul 5306 ax-pr 5427 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-sb 2069 df-clab 2711 df-cleq 2725 df-clel 2811 df-rab 3434 df-v 3477 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-nul 4323 df-if 4529 df-sn 4629 df-pr 4631 df-op 4635 df-br 5149 df-opab 5211 |
This theorem is referenced by: braba 5537 brabg 5539 epelg 5581 brcog 5865 fmptco 7124 ofrfvalg 7675 isfsupp 9362 wemaplem1 9538 oemapval 9675 wemapwe 9689 fpwwe2lem2 10624 fpwwelem 10637 clim 15435 rlim 15436 vdwmc 16908 isstruct2 17079 brssc 17758 isfunc 17811 isfull 17858 isfth 17862 ipole 18484 eqgval 19052 frgpuplem 19635 dvdsr 20169 islindf 21359 ulmval 25884 hpgbr 28001 isausgr 28414 issubgr 28518 isrgr 28806 isrusgr 28808 istrlson 28954 upgrwlkdvspth 28986 ispthson 28989 isspthson 28990 erclwwlkeq 29261 erclwwlkneq 29310 hlimi 30429 isinftm 32315 brfldext 32715 brfinext 32721 metidv 32861 ismntoplly 32994 brae 33228 braew 33229 brfae 33235 satfbrsuc 34346 prv 34408 bj-epelg 35938 bj-ideqgALT 36028 bj-idreseq 36032 bj-idreseqb 36033 bj-ideqg1ALT 36035 brcoss 37290 brcoels 37294 brdmqss 37505 climf 44325 climf2 44369 nelbr 45969 isomgr 46478 iscllaw 46586 iscomlaw 46587 isasslaw 46589 islininds 47081 lindepsnlininds 47087 |
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