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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 5684 | . 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 3429 class class class wbr 5085 Rel wrel 5636 |
| 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 2708 ax-sep 5231 ax-pr 5375 |
| 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 2715 df-cleq 2728 df-clel 2811 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-br 5086 df-opab 5148 df-xp 5637 df-rel 5638 |
| This theorem is referenced by: nprrel 5690 opeliunxp2 5793 ideqg 5806 issetid 5809 dffv2 6935 brfvopabrbr 6944 brrpssg 7679 opeliunxp2f 8160 brtpos2 8182 brdomg 8905 ctex 8910 isfi 8922 domssr 8946 domdifsn 8998 xpdom2 9010 xpdom1g 9012 sbth 9035 sdomirr 9052 sdomdif 9063 fodomr 9066 pwdom 9067 xpen 9078 pwen 9088 sbthfi 9133 sucdom2 9137 fineqv 9177 infsdomnn 9211 relprcnfsupp 9277 fsuppssov1 9297 fsuppunbi 9302 mapfien2 9322 harword 9478 brwdom 9482 domwdom 9489 brwdom3i 9498 unwdomg 9499 xpwdomg 9500 infdifsn 9578 ac10ct 9956 inffien 9985 djuen 10092 djudom2 10106 djufi 10109 cdainflem 10110 djulepw 10115 infdjuabs 10127 infunabs 10128 infmap2 10139 cfslb2n 10190 fin4i 10220 isfin5 10221 isfin6 10222 fin4en1 10231 isfin4p1 10237 isfin32i 10287 fin45 10314 fin56 10315 fin67 10317 hsmexlem1 10348 hsmexlem3 10350 axcc3 10360 ttukeylem1 10431 brdom3 10450 iundom2g 10462 iundom 10464 gchi 10547 engch 10551 gchdomtri 10552 fpwwe2lem5 10558 fpwwe2lem6 10559 fpwwe2lem8 10561 gchdjuidm 10591 gchpwdom 10593 prcdnq 10916 reexALT 12934 hasheni 14310 hashdomi 14342 climcl 15461 climi 15472 climrlim2 15509 climrecl 15545 climge0 15546 iseralt 15647 climfsum 15783 structex 17120 issubc 17802 pmtrfv 19427 dprdval 19980 frgpcyg 21553 lindff 21795 lindfind 21796 f1lindf 21802 lindfmm 21807 lsslindf 21810 lbslcic 21821 psrbaglesupp 21902 hauspwdom 23466 refbas 23475 refssex 23476 reftr 23479 refun0 23480 ovoliunnul 25474 dvle 25974 cyclnspth 29869 hlimi 31259 gsumhashmul 33128 extdgval 33797 finextfldext 33808 usgrgt2cycl 35312 brsset 36069 brbigcup 36078 elfix2 36084 brcolinear2 36240 isfne 36521 refssfne 36540 bj-epelg 37375 bj-ideqb 37473 bj-opelidb1ALT 37480 ovoliunnfl 37983 voliunnfl 37985 volsupnfl 37986 brabg2 38038 heiborlem4 38135 isrngo 38218 isdivrngo 38271 brssr 38902 issetssr 38904 fphpd 43244 ctbnfien 43246 sdomne0 43840 climd 46100 climuzlem 46171 rlimdmafv 47625 rlimdmafv2 47706 imasubc 49626 imassc 49628 imaid 49629 imaf1co 49630 imasubc3 49631 fuco112 49804 fuco111 49805 fuco21 49811 fucoid 49823 |
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