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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 5705 | . 2 ⊢ ((Rel 𝑅 ∧ 𝐴𝑅𝐵) → 𝐵 ∈ V) | |
| 3 | 1, 2 | mpan 703 | 1 ⊢ (𝐴𝑅𝐵 → 𝐵 ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 Vcvv 3451 class class class wbr 5103 Rel wrel 5656 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2733 ax-sep 5249 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5104 df-opab 5168 df-xp 5657 df-rel 5658 |
| This theorem is used by: vtoclr 5714 brfvopabrbr 6990 domdifsn 9079 undom 9084 xpdom2 9091 xpdom1g 9093 domunsncan 9096 enfixsn 9105 fodomr 9147 pwdom 9148 domssex 9157 xpen 9159 mapdom1 9161 mapdom2 9167 pwen 9169 domtrfil 9207 sucdom2 9218 0sdom1dom 9237 1sdom2dom 9245 unxpdom 9250 unxpdom2 9251 sucxpdom 9252 isfinite2 9290 infn0ALT 9295 fin2inf 9296 fodomfir 9319 suppeqfsuppbi 9371 fsuppsssupp 9373 fsuppssov1 9376 fsuppunbi 9381 funsnfsupp 9384 mapfien2 9401 wemapso2 9547 card2on 9548 elharval 9555 harword 9557 brwdomi 9562 brwdomn0 9563 domwdom 9568 wdomtr 9569 wdompwdom 9572 canthwdom 9573 brwdom3i 9577 unwdomg 9578 xpwdomg 9579 unxpwdom 9583 infdifsn 9658 infdiffi 9659 isnum2 10026 wdomfil 10140 djuen 10248 djuenun 10249 djudom2 10262 djuxpdom 10264 djuinf 10267 infdju1 10268 pwdjuidm 10270 djulepw 10271 infdjuabs 10283 infdif 10286 pwdjudom 10293 infpss 10294 infmap2 10295 fictb 10322 infpssALT 10391 enfin2i 10399 fin34 10468 fodomb 10605 wdomac 10606 iundom2g 10624 iundom 10626 sdomsdomcard 10644 infxpidm 10646 engch 10713 fpwwe2lem3 10718 canthp1lem1 10737 canthp1lem2 10738 canthp1 10739 pwfseq 10749 pwxpndom2 10750 pwxpndom 10751 pwdjundom 10752 hargch 10758 gchaclem 10763 hasheni 14492 hashdomi 14524 clim 15661 rlim 15662 ntrivcvgn0 16067 ssc1 17996 ssc2 17997 ssctr 18000 frgpnabl 20089 dprddomprc 20216 dprdval 20219 dprdgrp 20221 dprdf 20222 dprdssv 20232 subgdmdprd 20250 dprd2da 20258 1stcrestlem 23770 hauspwdom 23820 isref 23828 ufilen 24249 dvle 26327 ellpi 33928 finextfldext 34296 locfinref 34473 weexenwe 35756 karddom 35829 kardsdom 35830 isfne4 37128 fnetr 37139 topfneec 37143 fnessref 37145 refssfne 37146 bj-epelb 37984 bj-idreseq 38083 phpreu 38527 sdomne0 44413 sdomne0d 44414 rn1st 46284 climf 46633 climf2 46675 iinfssc 50164 fuco21 50443 fucoid 50455 |
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