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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 5690 | . 2 ⊢ ((Rel 𝑅 ∧ 𝐴𝑅𝐵) → 𝐴 ∈ V) | |
3 | 1, 2 | mpan 688 | 1 ⊢ (𝐴𝑅𝐵 → 𝐴 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2106 Vcvv 3446 class class class wbr 5110 Rel wrel 5643 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2702 ax-sep 5261 ax-nul 5268 ax-pr 5389 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-sb 2068 df-clab 2709 df-cleq 2723 df-clel 2809 df-ral 3061 df-rex 3070 df-rab 3406 df-v 3448 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-sn 4592 df-pr 4594 df-op 4598 df-br 5111 df-opab 5173 df-xp 5644 df-rel 5645 |
This theorem is referenced by: nprrel 5696 opeliunxp2 5799 ideqg 5812 issetid 5815 dffv2 6941 brfvopabrbr 6950 brrpssg 7667 opeliunxp2f 8146 brtpos2 8168 brdomg 8903 brdomgOLD 8904 ctex 8910 isfi 8923 domssr 8946 en1unielOLD 8980 domdifsn 9005 undomOLD 9011 xpdom2 9018 xpdom1g 9020 sucdom2OLD 9033 sbth 9044 dom0OLD 9054 sdom0OLD 9060 sdomirr 9065 sdomdif 9076 fodomr 9079 pwdom 9080 xpen 9091 pwen 9101 sbthfi 9153 sucdom2 9157 php3OLD 9175 sdom1OLD 9194 fineqv 9214 f1finf1oOLD 9223 infsdomnn 9256 infsdomnnOLD 9257 relprcnfsupp 9315 fsuppunbi 9335 mapfien2 9354 harword 9508 brwdom 9512 domwdom 9519 brwdom3i 9528 unwdomg 9529 xpwdomg 9530 infdifsn 9602 ac10ct 9979 inffien 10008 djuen 10114 djudom2 10128 djufi 10131 cdainflem 10132 djulepw 10137 infdjuabs 10151 infunabs 10152 infmap2 10163 cfslb2n 10213 fin4i 10243 isfin5 10244 isfin6 10245 fin4en1 10254 isfin4p1 10260 isfin32i 10310 fin45 10337 fin56 10338 fin67 10340 hsmexlem1 10371 hsmexlem3 10373 axcc3 10383 ttukeylem1 10454 brdom3 10473 iundom2g 10485 iundom 10487 gchi 10569 engch 10573 gchdomtri 10574 fpwwe2lem5 10580 fpwwe2lem6 10581 fpwwe2lem8 10583 gchdjuidm 10613 gchpwdom 10615 prcdnq 10938 reexALT 12918 hasheni 14258 hashdomi 14290 climcl 15393 climi 15404 climrlim2 15441 climrecl 15477 climge0 15478 iseralt 15581 climfsum 15716 structex 17033 issubc 17735 pmtrfv 19248 dprdval 19796 frgpcyg 21017 lindff 21258 lindfind 21259 f1lindf 21265 lindfmm 21270 lsslindf 21273 lbslcic 21284 psrbaglesupp 21363 hauspwdom 22889 refbas 22898 refssex 22899 reftr 22902 refun0 22903 ovoliunnul 24908 dvle 25408 cyclnspth 28811 hlimi 30193 gsumhashmul 31968 extdgval 32430 usgrgt2cycl 33811 brsset 34550 brbigcup 34559 elfix2 34565 brcolinear2 34719 isfne 34887 refssfne 34906 bj-epelg 35612 bj-ideqb 35703 bj-opelidb1ALT 35710 ovoliunnfl 36193 voliunnfl 36195 volsupnfl 36196 brabg2 36248 heiborlem4 36346 isrngo 36429 isdivrngo 36482 brssr 37036 issetssr 37038 fphpd 41197 ctbnfien 41199 sdomne0 41807 climd 44033 climuzlem 44104 rlimdmafv 45529 rlimdmafv2 45610 |
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