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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 5702 | . 2 ⊢ ((Rel 𝑅 ∧ 𝐴𝑅𝐵) → 𝐴 ∈ V) | |
| 3 | 1, 2 | mpan 700 | 1 ⊢ (𝐴𝑅𝐵 → 𝐴 ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2144 Vcvv 3456 class class class wbr 5102 Rel wrel 5654 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 ax-sep 5248 ax-pr 5392 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-ral 3079 df-rex 3089 df-rab 3417 df-v 3458 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5103 df-opab 5165 df-xp 5655 df-rel 5656 |
| This theorem is referenced by: nprrel 5708 opeliunxp2 5812 ideqg 5825 issetid 5828 dffv2 6964 brfvopabrbr 6974 brrpssg 7710 opeliunxp2f 8192 brtpos2 8214 brdomg 8941 ctex 8946 isfi 8958 domssr 8982 domdifsn 9034 xpdom2 9046 xpdom1g 9048 sbth 9071 sdomirr 9088 sdomdif 9099 fodomr 9102 pwdom 9103 xpen 9114 pwen 9124 sbthfi 9169 sucdom2 9173 fineqv 9213 infsdomnn 9247 relprcnfsupp 9312 fsuppssov1 9332 fsuppunbi 9337 mapfien2 9357 harword 9513 brwdom 9517 domwdom 9524 brwdom3i 9533 unwdomg 9534 xpwdomg 9535 infdifsn 9614 ac10ct 9992 inffien 10021 djuen 10128 djudom2 10142 djufi 10145 cdainflem 10146 djulepw 10151 infdjuabs 10163 infunabs 10164 infmap2 10175 cfslb2n 10227 fin4i 10257 isfin5 10258 isfin6 10259 fin4en1 10268 isfin4p1 10274 isfin32i 10324 fin45 10351 fin56 10352 fin67 10354 hsmexlem1 10385 hsmexlem3 10387 axcc3 10397 ttukeylem1 10468 brdom3 10487 iundom2g 10499 iundom 10501 gchi 10584 engch 10588 gchdomtri 10589 fpwwe2lem5 10595 fpwwe2lem6 10596 fpwwe2lem8 10598 gchdjuidm 10628 gchpwdom 10630 prcdnq 10953 reexALT 12987 hasheni 14363 hashdomi 14395 climcl 15528 climi 15539 climrlim2 15576 climrecl 15612 climge0 15613 iseralt 15714 climfsum 15850 structex 17188 issubc 17870 pmtrfv 19494 dprdval 20047 frgpcyg 21627 lindff 21869 lindfind 21870 f1lindf 21876 lindfmm 21881 lsslindf 21884 lbslcic 21895 psrbaglesupp 21976 hauspwdom 23563 refbas 23572 refssex 23573 reftr 23576 refun0 23577 ovoliunnul 25571 dvle 26071 cyclnspth 30003 hlimi 31393 gsumhashmul 33249 extdgval 33952 finextfldext 33963 usgrgt2cycl 35485 brsset 36242 brbigcup 36251 elfix2 36257 brcolinear2 36413 isfne 36704 refssfne 36723 bj-epelg 37558 bj-ideqb 37656 bj-opelidb1ALT 37663 ovoliunnfl 38166 voliunnfl 38168 volsupnfl 38169 brabg2 38221 heiborlem4 38318 isrngo 38401 isdivrngo 38454 brssr 39085 issetssr 39087 fphpd 43398 ctbnfien 43400 sdomne0 43994 climd 46251 climuzlem 46322 rlimdmafv 47776 rlimdmafv2 47857 imasubc 49777 imassc 49779 imaid 49780 imaf1co 49781 imasubc3 49782 fuco112 49955 fuco111 49956 fuco21 49962 fucoid 49974 |
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