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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 5673 | . 2 ⊢ ((Rel 𝑅 ∧ 𝐴𝑅𝐵) → 𝐴 ∈ V) | |
| 3 | 1, 2 | mpan 697 | 1 ⊢ (𝐴𝑅𝐵 → 𝐴 ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2121 Vcvv 3433 class class class wbr 5074 Rel wrel 5625 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 ax-sep 5220 ax-pr 5364 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-ral 3056 df-rex 3066 df-rab 3394 df-v 3435 df-dif 3887 df-un 3889 df-in 3891 df-ss 3901 df-nul 4264 df-if 4457 df-sn 4558 df-pr 4560 df-op 4564 df-br 5075 df-opab 5137 df-xp 5626 df-rel 5627 |
| This theorem is referenced by: nprrel 5679 opeliunxp2 5782 ideqg 5795 issetid 5798 dffv2 6925 brfvopabrbr 6935 brrpssg 7671 opeliunxp2f 8152 brtpos2 8174 brdomg 8899 ctex 8904 isfi 8916 domssr 8940 domdifsn 8992 xpdom2 9004 xpdom1g 9006 sbth 9029 sdomirr 9046 sdomdif 9057 fodomr 9060 pwdom 9061 xpen 9072 pwen 9082 sbthfi 9127 sucdom2 9131 fineqv 9171 infsdomnn 9205 relprcnfsupp 9271 fsuppssov1 9291 fsuppunbi 9296 mapfien2 9316 harword 9472 brwdom 9476 domwdom 9483 brwdom3i 9492 unwdomg 9493 xpwdomg 9494 infdifsn 9573 ac10ct 9951 inffien 9980 djuen 10087 djudom2 10101 djufi 10104 cdainflem 10105 djulepw 10110 infdjuabs 10122 infunabs 10123 infmap2 10134 cfslb2n 10186 fin4i 10216 isfin5 10217 isfin6 10218 fin4en1 10227 isfin4p1 10233 isfin32i 10283 fin45 10310 fin56 10311 fin67 10313 hsmexlem1 10344 hsmexlem3 10346 axcc3 10356 ttukeylem1 10427 brdom3 10446 iundom2g 10458 iundom 10460 gchi 10543 engch 10547 gchdomtri 10548 fpwwe2lem5 10554 fpwwe2lem6 10555 fpwwe2lem8 10557 gchdjuidm 10587 gchpwdom 10589 prcdnq 10912 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 19421 dprdval 19974 frgpcyg 21551 lindff 21793 lindfind 21794 f1lindf 21800 lindfmm 21805 lsslindf 21808 lbslcic 21819 psrbaglesupp 21900 hauspwdom 23487 refbas 23496 refssex 23497 reftr 23500 refun0 23501 ovoliunnul 25495 dvle 25995 cyclnspth 29889 hlimi 31279 gsumhashmul 33150 extdgval 33847 finextfldext 33858 usgrgt2cycl 35371 brsset 36128 brbigcup 36137 elfix2 36143 brcolinear2 36299 isfne 36580 refssfne 36599 bj-epelg 37434 bj-ideqb 37532 bj-opelidb1ALT 37539 ovoliunnfl 38042 voliunnfl 38044 volsupnfl 38045 brabg2 38097 heiborlem4 38194 isrngo 38277 isdivrngo 38330 brssr 38961 issetssr 38963 fphpd 43274 ctbnfien 43276 sdomne0 43870 climd 46127 climuzlem 46198 rlimdmafv 47652 rlimdmafv2 47733 imasubc 49653 imassc 49655 imaid 49656 imaf1co 49657 imasubc3 49658 fuco112 49831 fuco111 49832 fuco21 49838 fucoid 49850 |
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