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Mirrors > Home > MPE Home > Th. List > brrelexi | 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 |
---|---|
brrelexi | ⊢ (𝐴𝑅𝐵 → 𝐴 ∈ V) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | brrelexi.1 | . 2 ⊢ Rel 𝑅 | |
2 | brrelex 5080 | . 2 ⊢ ((Rel 𝑅 ∧ 𝐴𝑅𝐵) → 𝐴 ∈ V) | |
3 | 1, 2 | mpan 702 | 1 ⊢ (𝐴𝑅𝐵 → 𝐴 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 1977 Vcvv 3173 class class class wbr 4583 Rel wrel 5043 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pr 4833 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-br 4584 df-opab 4644 df-xp 5044 df-rel 5045 |
This theorem is referenced by: nprrel 5084 vtoclr 5086 opeliunxp2 5182 ideqg 5195 issetid 5198 dffv2 6181 brrpssg 6837 opeliunxp2f 7223 brtpos2 7245 brdomg 7851 isfi 7865 en1uniel 7914 domdifsn 7928 undom 7933 xpdom2 7940 xpdom1g 7942 sbth 7965 dom0 7973 sdom0 7977 sdomirr 7982 sdomdif 7993 fodomr 7996 pwdom 7997 xpen 8008 pwen 8018 php3 8031 sucdom2 8041 sdom1 8045 fineqv 8060 f1finf1o 8072 infsdomnn 8106 relprcnfsupp 8161 fsuppimp 8164 fsuppunbi 8179 mapfien2 8197 harword 8353 brwdom 8355 domwdom 8362 brwdom3i 8371 unwdomg 8372 xpwdomg 8373 infdifsn 8437 ac10ct 8740 inffien 8769 iunfictbso 8820 cdaen 8878 cdadom1 8891 cdafi 8895 cdainflem 8896 cdalepw 8901 unctb 8910 infcdaabs 8911 infunabs 8912 infmap2 8923 cfslb2n 8973 fin4i 9003 isfin5 9004 isfin6 9005 fin4en1 9014 isfin4-3 9020 isfin32i 9070 fin45 9097 fin56 9098 fin67 9100 hsmexlem1 9131 hsmexlem3 9133 axcc3 9143 ttukeylem1 9214 brdom3 9231 iundom2g 9241 iundom 9243 iunctb 9275 gchi 9325 engch 9329 gchdomtri 9330 fpwwe2lem6 9336 fpwwe2lem7 9337 fpwwe2lem9 9339 gchpwdom 9371 prcdnq 9694 reexALT 11702 hasheni 12998 hashdomi 13030 brfi1indALT 13137 brfi1indALTOLD 13143 climcl 14078 climi 14089 climrlim2 14126 climrecl 14162 climge0 14163 iseralt 14263 climfsum 14393 strfv 15735 issubc 16318 pmtrfv 17695 dprdval 18225 cnfldex 19570 frgpcyg 19741 lindff 19973 lindfind 19974 f1lindf 19980 lindfmm 19985 lsslindf 19988 lbslcic 19999 1stcrestlem 21065 2ndcdisj2 21070 dis2ndc 21073 hauspwdom 21114 refbas 21123 refssex 21124 reftr 21127 refun0 21128 ovoliunnul 23082 uniiccdif 23152 dvle 23574 uhgrav 25825 ushgraf 25831 ushgrauhgra 25832 umgraf2 25846 umgrares 25853 umisuhgra 25856 uslgrav 25866 usgrav 25867 uslgraf 25874 iscusgra0 25986 eupap1 26503 eupath2lem3 26506 eupath2 26507 frisusgrapr 26518 hlimi 27429 brsset 31166 brbigcup 31175 elfix2 31181 brcolinear2 31335 isfne 31504 refssfne 31523 ovoliunnfl 32621 voliunnfl 32623 volsupnfl 32624 brabg2 32680 heiborlem4 32783 isrngo 32866 isdivrngo 32919 fphpd 36398 ctbnfien 36400 climd 38739 rlimdmafv 39906 subgrv 40494 linindsv 42028 |
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