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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 5715 | . 2 ⊢ ((Rel 𝑅 ∧ 𝐴𝑅𝐵) → 𝐵 ∈ V) | |
| 3 | 1, 2 | mpan 702 | 1 ⊢ (𝐴𝑅𝐵 → 𝐵 ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2143 Vcvv 3455 class class class wbr 5109 Rel wrel 5666 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-sep 5257 ax-pr 5404 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-br 5110 df-opab 5174 df-xp 5667 df-rel 5668 |
| This theorem is referenced by: vtoclr 5724 brfvopabrbr 6986 domdifsn 9044 undom 9049 xpdom2 9056 xpdom1g 9058 domunsncan 9061 enfixsn 9070 fodomr 9112 pwdom 9113 domssex 9122 xpen 9124 mapdom1 9126 mapdom2 9132 pwen 9134 domtrfil 9172 sucdom2 9183 0sdom1dom 9202 1sdom2dom 9210 unxpdom 9215 unxpdom2 9216 sucxpdom 9217 isfinite2 9254 infn0ALT 9259 fin2inf 9260 fodomfir 9283 suppeqfsuppbi 9335 fsuppsssupp 9337 fsuppssov1 9340 fsuppunbi 9345 funsnfsupp 9348 mapfien2 9365 wemapso2 9511 card2on 9512 elharval 9519 harword 9521 brwdomi 9526 brwdomn0 9527 domwdom 9532 wdomtr 9533 wdompwdom 9536 canthwdom 9537 brwdom3i 9541 unwdomg 9542 xpwdomg 9543 unxpwdom 9547 infdifsn 9622 infdiffi 9623 isnum2 9927 wdomfil 10041 djuen 10149 djuenun 10150 djudom2 10163 djuxpdom 10165 djuinf 10168 infdju1 10169 pwdjuidm 10171 djulepw 10172 infdjuabs 10184 infdif 10187 pwdjudom 10194 infpss 10195 infmap2 10196 fictb 10223 infpssALT 10292 enfin2i 10300 fin34 10369 fodomb 10505 wdomac 10506 iundom2g 10519 iundom 10521 sdomsdomcard 10539 infxpidm 10541 engch 10608 fpwwe2lem3 10613 canthp1lem1 10632 canthp1lem2 10633 canthp1 10634 pwfseq 10644 pwxpndom2 10645 pwxpndom 10646 pwdjundom 10647 hargch 10653 gchaclem 10658 hasheni 14380 hashdomi 14412 clim 15541 rlim 15542 ntrivcvgn0 15948 ssc1 17873 ssc2 17874 ssctr 17877 frgpnabl 19940 dprddomprc 20067 dprdval 20070 dprdgrp 20072 dprdf 20073 dprdssv 20083 subgdmdprd 20101 dprd2da 20109 1stcrestlem 23609 hauspwdom 23658 isref 23666 ufilen 24087 dvle 26166 ellpi 33687 finextfldext 34054 locfinref 34231 karddom 35574 kardsdom 35575 isfne4 36871 fnetr 36882 topfneec 36886 fnessref 36888 refssfne 36889 bj-epelb 37725 bj-idreseq 37826 phpreu 38275 sdomne0 44159 sdomne0d 44160 rn1st 46008 climf 46358 climf2 46400 iinfssc 49855 fuco21 50134 fucoid 50146 |
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