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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 5687 | . 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 3442 class class class wbr 5100 Rel wrel 5639 |
| 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 5245 ax-pr 5381 |
| 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 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-br 5101 df-opab 5163 df-xp 5640 df-rel 5641 |
| This theorem is referenced by: nprrel 5693 opeliunxp2 5797 ideqg 5810 issetid 5813 dffv2 6939 brfvopabrbr 6948 brrpssg 7682 opeliunxp2f 8164 brtpos2 8186 brdomg 8909 ctex 8914 isfi 8926 domssr 8950 domdifsn 9002 xpdom2 9014 xpdom1g 9016 sbth 9039 sdomirr 9056 sdomdif 9067 fodomr 9070 pwdom 9071 xpen 9082 pwen 9092 sbthfi 9137 sucdom2 9141 fineqv 9181 infsdomnn 9215 relprcnfsupp 9281 fsuppssov1 9301 fsuppunbi 9306 mapfien2 9326 harword 9482 brwdom 9486 domwdom 9493 brwdom3i 9502 unwdomg 9503 xpwdomg 9504 infdifsn 9580 ac10ct 9958 inffien 9987 djuen 10094 djudom2 10108 djufi 10111 cdainflem 10112 djulepw 10117 infdjuabs 10129 infunabs 10130 infmap2 10141 cfslb2n 10192 fin4i 10222 isfin5 10223 isfin6 10224 fin4en1 10233 isfin4p1 10239 isfin32i 10289 fin45 10316 fin56 10317 fin67 10319 hsmexlem1 10350 hsmexlem3 10352 axcc3 10362 ttukeylem1 10433 brdom3 10452 iundom2g 10464 iundom 10466 gchi 10549 engch 10553 gchdomtri 10554 fpwwe2lem5 10560 fpwwe2lem6 10561 fpwwe2lem8 10563 gchdjuidm 10593 gchpwdom 10595 prcdnq 10918 reexALT 12911 hasheni 14285 hashdomi 14317 climcl 15436 climi 15447 climrlim2 15484 climrecl 15520 climge0 15521 iseralt 15622 climfsum 15757 structex 17091 issubc 17773 pmtrfv 19398 dprdval 19951 frgpcyg 21545 lindff 21787 lindfind 21788 f1lindf 21794 lindfmm 21799 lsslindf 21802 lbslcic 21813 psrbaglesupp 21895 hauspwdom 23462 refbas 23471 refssex 23472 reftr 23475 refun0 23476 ovoliunnul 25481 dvle 25985 cyclnspth 29892 hlimi 31282 gsumhashmul 33167 extdgval 33837 finextfldext 33848 usgrgt2cycl 35352 brsset 36109 brbigcup 36118 elfix2 36124 brcolinear2 36280 isfne 36561 refssfne 36580 bj-epelg 37343 bj-ideqb 37441 bj-opelidb1ALT 37448 ovoliunnfl 37942 voliunnfl 37944 volsupnfl 37945 brabg2 37997 heiborlem4 38094 isrngo 38177 isdivrngo 38230 brssr 38861 issetssr 38863 fphpd 43202 ctbnfien 43204 sdomne0 43798 climd 46059 climuzlem 46130 rlimdmafv 47566 rlimdmafv2 47647 imasubc 49539 imassc 49541 imaid 49542 imaf1co 49543 imasubc3 49544 fuco112 49717 fuco111 49718 fuco21 49724 fucoid 49736 |
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