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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 5679 | . 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 3430 class class class wbr 5086 Rel wrel 5631 |
| 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 5232 ax-pr 5372 |
| 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 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 df-opab 5149 df-xp 5632 df-rel 5633 |
| This theorem is referenced by: nprrel 5685 opeliunxp2 5789 ideqg 5802 issetid 5805 dffv2 6931 brfvopabrbr 6940 brrpssg 7674 opeliunxp2f 8155 brtpos2 8177 brdomg 8900 ctex 8905 isfi 8917 domssr 8941 domdifsn 8993 xpdom2 9005 xpdom1g 9007 sbth 9030 sdomirr 9047 sdomdif 9058 fodomr 9061 pwdom 9062 xpen 9073 pwen 9083 sbthfi 9128 sucdom2 9132 fineqv 9172 infsdomnn 9206 relprcnfsupp 9272 fsuppssov1 9292 fsuppunbi 9297 mapfien2 9317 harword 9473 brwdom 9477 domwdom 9484 brwdom3i 9493 unwdomg 9494 xpwdomg 9495 infdifsn 9573 ac10ct 9951 inffien 9980 djuen 10087 djudom2 10101 djufi 10104 cdainflem 10105 djulepw 10110 infdjuabs 10122 infunabs 10123 infmap2 10134 cfslb2n 10185 fin4i 10215 isfin5 10216 isfin6 10217 fin4en1 10226 isfin4p1 10232 isfin32i 10282 fin45 10309 fin56 10310 fin67 10312 hsmexlem1 10343 hsmexlem3 10345 axcc3 10355 ttukeylem1 10426 brdom3 10445 iundom2g 10457 iundom 10459 gchi 10542 engch 10546 gchdomtri 10547 fpwwe2lem5 10553 fpwwe2lem6 10554 fpwwe2lem8 10556 gchdjuidm 10586 gchpwdom 10588 prcdnq 10911 reexALT 12929 hasheni 14305 hashdomi 14337 climcl 15456 climi 15467 climrlim2 15504 climrecl 15540 climge0 15541 iseralt 15642 climfsum 15778 structex 17115 issubc 17797 pmtrfv 19422 dprdval 19975 frgpcyg 21567 lindff 21809 lindfind 21810 f1lindf 21816 lindfmm 21821 lsslindf 21824 lbslcic 21835 psrbaglesupp 21916 hauspwdom 23480 refbas 23489 refssex 23490 reftr 23493 refun0 23494 ovoliunnul 25488 dvle 25988 cyclnspth 29888 hlimi 31278 gsumhashmul 33147 extdgval 33817 finextfldext 33828 usgrgt2cycl 35332 brsset 36089 brbigcup 36098 elfix2 36104 brcolinear2 36260 isfne 36541 refssfne 36560 bj-epelg 37395 bj-ideqb 37493 bj-opelidb1ALT 37500 ovoliunnfl 38001 voliunnfl 38003 volsupnfl 38004 brabg2 38056 heiborlem4 38153 isrngo 38236 isdivrngo 38289 brssr 38920 issetssr 38922 fphpd 43266 ctbnfien 43268 sdomne0 43862 climd 46122 climuzlem 46193 rlimdmafv 47641 rlimdmafv2 47722 imasubc 49642 imassc 49644 imaid 49645 imaf1co 49646 imasubc3 49647 fuco112 49820 fuco111 49821 fuco21 49827 fucoid 49839 |
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