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| Mirrors > Home > MPE Home > Th. List > brrelex1i | Structured version Visualization version GIF version | ||
| Description: The first argument of a binary relation exists. (An artifact of our ordered pair definition.) (Contributed by NM, 4-Jun-1998.) |
| Ref | Expression |
|---|---|
| brrelexi.1 | ⊢ Rel 𝑅 |
| Ref | Expression |
|---|---|
| brrelex1i | ⊢ (𝐴𝑅𝐵 → 𝐴 ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | brrelexi.1 | . 2 ⊢ Rel 𝑅 | |
| 2 | brrelex1 5678 | . 2 ⊢ ((Rel 𝑅 ∧ 𝐴𝑅𝐵) → 𝐴 ∈ V) | |
| 3 | 1, 2 | mpan 691 | 1 ⊢ (𝐴𝑅𝐵 → 𝐴 ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 Vcvv 3441 class class class wbr 5099 Rel wrel 5630 |
| 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 ax-sep 5242 ax-nul 5252 ax-pr 5378 |
| 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-ral 3053 df-rex 3062 df-rab 3401 df-v 3443 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4287 df-if 4481 df-sn 4582 df-pr 4584 df-op 4588 df-br 5100 df-opab 5162 df-xp 5631 df-rel 5632 |
| This theorem is referenced by: nprrel 5684 opeliunxp2 5788 ideqg 5801 issetid 5804 dffv2 6930 brfvopabrbr 6939 brrpssg 7672 opeliunxp2f 8154 brtpos2 8176 brdomg 8899 ctex 8904 isfi 8916 domssr 8940 domdifsn 8992 xpdom2 9004 xpdom1g 9006 sbth 9029 sdomirr 9046 sdomdif 9057 fodomr 9060 pwdom 9061 xpen 9072 pwen 9082 sbthfi 9127 sucdom2 9131 fineqv 9171 infsdomnn 9205 relprcnfsupp 9271 fsuppssov1 9291 fsuppunbi 9296 mapfien2 9316 harword 9472 brwdom 9476 domwdom 9483 brwdom3i 9492 unwdomg 9493 xpwdomg 9494 infdifsn 9570 ac10ct 9948 inffien 9977 djuen 10084 djudom2 10098 djufi 10101 cdainflem 10102 djulepw 10107 infdjuabs 10119 infunabs 10120 infmap2 10131 cfslb2n 10182 fin4i 10212 isfin5 10213 isfin6 10214 fin4en1 10223 isfin4p1 10229 isfin32i 10279 fin45 10306 fin56 10307 fin67 10309 hsmexlem1 10340 hsmexlem3 10342 axcc3 10352 ttukeylem1 10423 brdom3 10442 iundom2g 10454 iundom 10456 gchi 10539 engch 10543 gchdomtri 10544 fpwwe2lem5 10550 fpwwe2lem6 10551 fpwwe2lem8 10553 gchdjuidm 10583 gchpwdom 10585 prcdnq 10908 reexALT 12901 hasheni 14275 hashdomi 14307 climcl 15426 climi 15437 climrlim2 15474 climrecl 15510 climge0 15511 iseralt 15612 climfsum 15747 structex 17081 issubc 17763 pmtrfv 19385 dprdval 19938 frgpcyg 21532 lindff 21774 lindfind 21775 f1lindf 21781 lindfmm 21786 lsslindf 21789 lbslcic 21800 psrbaglesupp 21882 hauspwdom 23449 refbas 23458 refssex 23459 reftr 23462 refun0 23463 ovoliunnul 25468 dvle 25972 cyclnspth 29878 hlimi 31267 gsumhashmul 33152 extdgval 33812 finextfldext 33823 usgrgt2cycl 35326 brsset 36083 brbigcup 36092 elfix2 36098 brcolinear2 36254 isfne 36535 refssfne 36554 bj-epelg 37271 bj-ideqb 37366 bj-opelidb1ALT 37373 ovoliunnfl 37865 voliunnfl 37867 volsupnfl 37868 brabg2 37920 heiborlem4 38017 isrngo 38100 isdivrngo 38153 brssr 38784 issetssr 38786 fphpd 43125 ctbnfien 43127 sdomne0 43721 climd 45983 climuzlem 46054 rlimdmafv 47490 rlimdmafv2 47571 imasubc 49463 imassc 49465 imaid 49466 imaf1co 49467 imasubc3 49468 fuco112 49641 fuco111 49642 fuco21 49648 fucoid 49660 |
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