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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 5588 | . 2 ⊢ ((Rel 𝑅 ∧ 𝐴𝑅𝐵) → 𝐵 ∈ V) | |
3 | 1, 2 | mpan 690 | 1 ⊢ (𝐴𝑅𝐵 → 𝐵 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2112 Vcvv 3398 class class class wbr 5039 Rel wrel 5541 |
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 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pr 5307 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-sb 2073 df-clab 2715 df-cleq 2728 df-clel 2809 df-ral 3056 df-rex 3057 df-rab 3060 df-v 3400 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-nul 4224 df-if 4426 df-sn 4528 df-pr 4530 df-op 4534 df-br 5040 df-opab 5102 df-xp 5542 df-rel 5543 |
This theorem is referenced by: vtoclr 5597 brfvopabrbr 6793 brdomi 8617 domdifsn 8706 undom 8711 xpdom2 8718 xpdom1g 8720 domunsncan 8723 enfixsn 8732 sucdom2 8733 fodomr 8775 pwdom 8776 domssex 8785 xpen 8787 mapdom1 8789 mapdom2 8795 pwen 8797 unxpdom 8861 unxpdom2 8862 sucxpdom 8863 isfinite2 8907 infn0 8911 fin2inf 8912 suppeqfsuppbi 8977 fsuppsssupp 8979 fsuppunbi 8984 funsnfsupp 8987 mapfien2 9003 wemapso2 9147 card2on 9148 elharval 9155 harword 9157 brwdomi 9162 brwdomn0 9163 domwdom 9168 wdomtr 9169 wdompwdom 9172 canthwdom 9173 brwdom3i 9177 unwdomg 9178 xpwdomg 9179 unxpwdom 9183 infdifsn 9250 infdiffi 9251 isnum2 9526 wdomfil 9640 djuen 9748 djuenun 9749 djudom2 9762 djuxpdom 9764 djuinf 9767 infdju1 9768 pwdjuidm 9770 djulepw 9771 infdjuabs 9785 infdif 9788 pwdjudom 9795 infpss 9796 infmap2 9797 fictb 9824 infpssALT 9892 enfin2i 9900 fin34 9969 fodomb 10105 wdomac 10106 iundom2g 10119 iundom 10121 sdomsdomcard 10139 infxpidm 10141 engch 10207 fpwwe2lem3 10212 canthp1lem1 10231 canthp1lem2 10232 canthp1 10233 pwfseq 10243 pwxpndom2 10244 pwxpndom 10245 pwdjundom 10246 hargch 10252 gchaclem 10257 hasheni 13879 hashdomi 13912 clim 15020 rlim 15021 ntrivcvgn0 15425 ssc1 17280 ssc2 17281 ssctr 17284 frgpnabl 19214 dprddomprc 19341 dprdval 19344 dprdgrp 19346 dprdf 19347 dprdssv 19357 subgdmdprd 19375 dprd2da 19383 1stcrestlem 22303 hauspwdom 22352 isref 22360 ufilen 22781 dvle 24858 locfinref 31459 isfne4 34215 fnetr 34226 topfneec 34230 fnessref 34232 refssfne 34233 bj-epelb 34925 bj-idreseq 35017 phpreu 35447 climf 42781 climf2 42825 |
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