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Mirrors > Home > MPE Home > Th. List > brrelex2i | Structured version Visualization version GIF version |
Description: The second argument of a binary relation exists. (An artifact of our ordered pair definition.) (Contributed by Mario Carneiro, 26-Apr-2015.) |
Ref | Expression |
---|---|
brrelexi.1 | ⊢ Rel 𝑅 |
Ref | Expression |
---|---|
brrelex2i | ⊢ (𝐴𝑅𝐵 → 𝐵 ∈ V) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | brrelexi.1 | . 2 ⊢ Rel 𝑅 | |
2 | brrelex2 5601 | . 2 ⊢ ((Rel 𝑅 ∧ 𝐴𝑅𝐵) → 𝐵 ∈ V) | |
3 | 1, 2 | mpan 688 | 1 ⊢ (𝐴𝑅𝐵 → 𝐵 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2110 Vcvv 3495 class class class wbr 5059 Rel wrel 5555 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-sep 5196 ax-nul 5203 ax-pr 5322 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3497 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4562 df-pr 4564 df-op 4568 df-br 5060 df-opab 5122 df-xp 5556 df-rel 5557 |
This theorem is referenced by: vtoclr 5610 brfvopabrbr 6760 brdomi 8514 domdifsn 8594 undom 8599 xpdom2 8606 xpdom1g 8608 domunsncan 8611 enfixsn 8620 fodomr 8662 pwdom 8663 domssex 8672 xpen 8674 mapdom1 8676 mapdom2 8682 pwen 8684 sucdom2 8708 unxpdom 8719 unxpdom2 8720 sucxpdom 8721 isfinite2 8770 infn0 8774 fin2inf 8775 suppeqfsuppbi 8841 fsuppsssupp 8843 fsuppunbi 8848 funsnfsupp 8851 mapfien2 8866 wemapso2 9011 card2on 9012 elharval 9021 harword 9023 brwdomi 9026 brwdomn0 9027 domwdom 9032 wdomtr 9033 wdompwdom 9036 canthwdom 9037 brwdom3i 9041 unwdomg 9042 xpwdomg 9043 unxpwdom 9047 infdifsn 9114 infdiffi 9115 isnum2 9368 wdomfil 9481 djuen 9589 djuenun 9590 djudom2 9603 djuxpdom 9605 djuinf 9608 infdju1 9609 pwdjuidm 9611 djulepw 9612 infdjuabs 9622 infdif 9625 pwdjudom 9632 infpss 9633 infmap2 9634 fictb 9661 infpssALT 9729 enfin2i 9737 fin34 9806 fodomb 9942 wdomac 9943 iundom2g 9956 iundom 9958 sdomsdomcard 9976 infxpidm 9978 engch 10044 fpwwe2lem3 10049 canthp1lem1 10068 canthp1lem2 10069 canthp1 10070 pwfseq 10080 pwxpndom2 10081 pwxpndom 10082 pwdjundom 10083 hargch 10089 gchaclem 10094 hasheni 13702 hashdomi 13735 brfi1indALT 13852 clim 14845 rlim 14846 ntrivcvgn0 15248 ssc1 17085 ssc2 17086 ssctr 17089 frgpnabl 18989 dprddomprc 19116 dprdval 19119 dprdgrp 19121 dprdf 19122 dprdssv 19132 subgdmdprd 19150 dprd2da 19158 1stcrestlem 22054 hauspwdom 22103 isref 22111 ufilen 22532 dvle 24598 locfinref 31100 isfne4 33683 fnetr 33694 topfneec 33698 fnessref 33700 refssfne 33701 bj-epelb 34355 bj-idreseq 34448 phpreu 34870 climf 41895 climf2 41939 |
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