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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 5606 | . 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 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: vtoclr 5615 brfvopabrbr 6765 brdomi 8520 domdifsn 8600 undom 8605 xpdom2 8612 xpdom1g 8614 domunsncan 8617 enfixsn 8626 fodomr 8668 pwdom 8669 domssex 8678 xpen 8680 mapdom1 8682 mapdom2 8688 pwen 8690 sucdom2 8714 unxpdom 8725 unxpdom2 8726 sucxpdom 8727 isfinite2 8776 infn0 8780 fin2inf 8781 suppeqfsuppbi 8847 fsuppsssupp 8849 fsuppunbi 8854 funsnfsupp 8857 mapfien2 8872 wemapso2 9017 card2on 9018 elharval 9027 harword 9029 brwdomi 9032 brwdomn0 9033 domwdom 9038 wdomtr 9039 wdompwdom 9042 canthwdom 9043 brwdom3i 9047 unwdomg 9048 xpwdomg 9049 unxpwdom 9053 infdifsn 9120 infdiffi 9121 isnum2 9374 wdomfil 9487 djuen 9595 djuenun 9596 djudom2 9609 djuxpdom 9611 djuinf 9614 infdju1 9615 pwdjuidm 9617 djulepw 9618 infdjuabs 9628 infdif 9631 pwdjudom 9638 infpss 9639 infmap2 9640 fictb 9667 infpssALT 9735 enfin2i 9743 fin34 9812 fodomb 9948 wdomac 9949 iundom2g 9962 iundom 9964 sdomsdomcard 9982 infxpidm 9984 engch 10050 fpwwe2lem3 10055 canthp1lem1 10074 canthp1lem2 10075 canthp1 10076 pwfseq 10086 pwxpndom2 10087 pwxpndom 10088 pwdjundom 10089 hargch 10095 gchaclem 10100 hasheni 13709 hashdomi 13742 brfi1indALT 13859 clim 14851 rlim 14852 ntrivcvgn0 15254 ssc1 17091 ssc2 17092 ssctr 17095 frgpnabl 18995 dprddomprc 19122 dprdval 19125 dprdgrp 19127 dprdf 19128 dprdssv 19138 subgdmdprd 19156 dprd2da 19164 1stcrestlem 22060 hauspwdom 22109 isref 22117 ufilen 22538 dvle 24604 locfinref 31105 isfne4 33688 fnetr 33699 topfneec 33703 fnessref 33705 refssfne 33706 bj-epelb 34364 bj-idreseq 34457 phpreu 34891 climf 41923 climf2 41967 |
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