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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 5605 | . 2 ⊢ ((Rel 𝑅 ∧ 𝐴𝑅𝐵) → 𝐴 ∈ V) | |
3 | 1, 2 | mpan 688 | 1 ⊢ (𝐴𝑅𝐵 → 𝐴 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 Vcvv 3494 class class class wbr 5066 Rel wrel 5560 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pr 5330 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-br 5067 df-opab 5129 df-xp 5561 df-rel 5562 |
This theorem is referenced by: nprrel 5611 opeliunxp2 5709 ideqg 5722 issetid 5725 dffv2 6756 brfvopabrbr 6765 brrpssg 7451 opeliunxp2f 7876 brtpos2 7898 brdomg 8519 ctex 8524 isfi 8533 en1uniel 8581 domdifsn 8600 undom 8605 xpdom2 8612 xpdom1g 8614 sbth 8637 dom0 8645 sdom0 8649 sdomirr 8654 sdomdif 8665 fodomr 8668 pwdom 8669 xpen 8680 pwen 8690 php3 8703 sucdom2 8714 sdom1 8718 fineqv 8733 f1finf1o 8745 infsdomnn 8779 relprcnfsupp 8836 fsuppunbi 8854 mapfien2 8872 harword 9029 brwdom 9031 domwdom 9038 brwdom3i 9047 unwdomg 9048 xpwdomg 9049 infdifsn 9120 ac10ct 9460 inffien 9489 djuen 9595 djudom2 9609 djufi 9612 cdainflem 9613 djulepw 9618 infdjuabs 9628 infunabs 9629 infmap2 9640 cfslb2n 9690 fin4i 9720 isfin5 9721 isfin6 9722 fin4en1 9731 isfin4p1 9737 isfin32i 9787 fin45 9814 fin56 9815 fin67 9817 hsmexlem1 9848 hsmexlem3 9850 axcc3 9860 ttukeylem1 9931 brdom3 9950 iundom2g 9962 iundom 9964 gchi 10046 engch 10050 gchdomtri 10051 fpwwe2lem6 10057 fpwwe2lem7 10058 fpwwe2lem9 10060 gchdjuidm 10090 gchpwdom 10092 prcdnq 10415 reexALT 12384 hasheni 13709 hashdomi 13742 brfi1indALT 13859 climcl 14856 climi 14867 climrlim2 14904 climrecl 14940 climge0 14941 iseralt 15041 climfsum 15175 structex 16494 issubc 17105 pmtrfv 18580 dprdval 19125 frgpcyg 20720 lindff 20959 lindfind 20960 f1lindf 20966 lindfmm 20971 lsslindf 20974 lbslcic 20985 hauspwdom 22109 refbas 22118 refssex 22119 reftr 22122 refun0 22123 ovoliunnul 24108 dvle 24604 cyclnspth 27581 hlimi 28965 extdgval 31044 usgrgt2cycl 32377 brsset 33350 brbigcup 33359 elfix2 33365 brcolinear2 33519 isfne 33687 refssfne 33706 bj-epelg 34363 bj-ideqb 34454 bj-opelidb1ALT 34461 ovoliunnfl 34949 voliunnfl 34951 volsupnfl 34952 brabg2 35006 heiborlem4 35107 isrngo 35190 isdivrngo 35243 brssr 35756 issetssr 35758 fphpd 39433 ctbnfien 39435 climd 41973 climuzlem 42044 rlimdmafv 43396 rlimdmafv2 43477 |
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