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Mirrors > Home > MPE Home > Th. List > fvprc | Structured version Visualization version GIF version |
Description: A function's value at a proper class is the empty set. See fvprcALT 6882 for a proof that uses ax-pow 5363 instead of ax-pr 5427. (Contributed by NM, 20-May-1998.) Avoid ax-pow 5363. (Revised by BTernaryTau, 3-Aug-2024.) (Proof shortened by BTernaryTau, 3-Dec-2024.) |
Ref | Expression |
---|---|
fvprc | ⊢ (¬ 𝐴 ∈ V → (𝐹‘𝐴) = ∅) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | brprcneu 6879 | . 2 ⊢ (¬ 𝐴 ∈ V → ¬ ∃!𝑥 𝐴𝐹𝑥) | |
2 | tz6.12-2 6877 | . 2 ⊢ (¬ ∃!𝑥 𝐴𝐹𝑥 → (𝐹‘𝐴) = ∅) | |
3 | 1, 2 | syl 17 | 1 ⊢ (¬ 𝐴 ∈ V → (𝐹‘𝐴) = ∅) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 = wceq 1542 ∈ wcel 2107 ∃!weu 2563 Vcvv 3475 ∅c0 4322 class class class wbr 5148 ‘cfv 6541 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-nul 5306 ax-pr 5427 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-ral 3063 df-rex 3072 df-rab 3434 df-v 3477 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-nul 4323 df-if 4529 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-br 5149 df-iota 6493 df-fv 6549 |
This theorem is referenced by: rnfvprc 6883 dffv3 6885 fvrn0 6919 ndmfv 6924 fv2prc 6934 csbfv 6939 dffv2 6984 brfvopabrbr 6993 fvmpti 6995 fvmptnf 7018 fvmptrabfv 7027 fvunsn 7174 fvmptopab 7460 fvmptopabOLD 7461 brfvopab 7463 1stval 7974 2ndval 7975 fipwuni 9418 fipwss 9421 tctr 9732 ranklim 9836 rankuni 9855 alephsing 10268 itunisuc 10411 itunitc 10413 tskmcl 10833 hashfn 14332 s1prc 14551 trclfvg 14959 trclfvcotrg 14960 dfrtrclrec2 15002 rtrclreclem4 15005 dfrtrcl2 15006 strfvss 17117 strfvi 17120 fveqprc 17121 oveqprc 17122 setsnidOLD 17140 elbasfv 17147 ressbas 17176 ressbasOLD 17177 resslemOLD 17184 firest 17375 topnval 17377 homffval 17631 comfffval 17639 oppchomfval 17655 oppchomfvalOLD 17656 oppcbasOLD 17661 xpcbas 18127 oduval 18238 oduleval 18239 lubfun 18302 glbfun 18315 odujoin 18358 odumeet 18360 oduclatb 18457 ipopos 18486 isipodrs 18487 plusffval 18564 grpidval 18577 gsum0 18600 ismnd 18625 frmdplusg 18732 frmd0 18738 efmndbas 18749 efmndbasabf 18750 efmndplusg 18758 dfgrp2e 18845 grpinvfval 18860 grpinvfvalALT 18861 grpinvfvi 18864 grpsubfval 18865 grpsubfvalALT 18866 mulgfval 18947 mulgfvalALT 18948 mulgfvi 18951 cntrval 19178 cntzval 19180 cntzrcl 19186 oppgval 19206 oppgplusfval 19207 symgval 19231 lactghmga 19268 psgnfval 19363 odfval 19395 odfvalALT 19396 oppglsm 19505 efgval 19580 mgpval 19985 mgpplusg 19986 ringidval 20001 opprval 20144 opprmulfval 20145 dvdsrval 20168 invrfval 20196 dvrfval 20209 staffval 20448 scaffval 20483 islss 20538 sralem 20783 sralemOLD 20784 sravsca 20793 sravscaOLD 20794 sraip 20795 rlmval 20806 rlmsca2 20816 2idlval 20851 rrgval 20896 zrhval 21049 zlmlemOLD 21059 zlmvsca 21067 chrval 21069 evpmss 21131 ipffval 21193 ocvval 21212 elocv 21213 thlbas 21241 thlbasOLD 21242 thlle 21243 thlleOLD 21244 thloc 21246 pjfval 21253 asclfval 21425 psrbas 21489 psr1val 21702 vr1val 21708 ply1val 21710 ply1basfvi 21755 ply1plusgfvi 21756 psr1sca2 21765 ply1sca2 21768 ply1ascl 21772 evl1fval 21839 evl1fval1 21842 toponsspwpw 22416 istps 22428 tgdif0 22487 indislem 22495 txindislem 23129 fsubbas 23363 filuni 23381 ussval 23756 isusp 23758 nmfval 24089 tnglemOLD 24142 tngds 24156 tngdsOLD 24157 tcphval 24727 deg1fval 25590 deg1fvi 25595 uc1pval 25649 mon1pval 25651 sltval2 27149 sltintdifex 27154 ttglemOLD 28119 vtxval 28250 iedgval 28251 vtxvalprc 28295 iedgvalprc 28296 edgval 28299 prcliscplgr 28661 wwlks 29079 wwlksn 29081 clwwlk 29226 clwwlkn 29269 clwwlknonmpo 29332 vafval 29844 bafval 29845 smfval 29846 vsfval 29874 resvsca 32433 resvlemOLD 32435 prclisacycgr 34131 mvtval 34480 mexval 34482 mexval2 34483 mdvval 34484 mrsubfval 34488 msubfval 34504 elmsubrn 34508 mvhfval 34513 mpstval 34515 msrfval 34517 mstaval 34524 mclsrcl 34541 mppsval 34552 mthmval 34555 fvsingle 34881 funpartfv 34906 fullfunfv 34908 rankeq1o 35132 atbase 38148 llnbase 38369 lplnbase 38394 lvolbase 38438 lhpbase 38858 mzpmfp 41471 kelac1 41791 mendbas 41912 mendplusgfval 41913 mendmulrfval 41915 mendvscafval 41918 brfvimex 42763 clsneibex 42839 neicvgbex 42849 sprssspr 46136 sprsymrelfvlem 46145 prprelprb 46172 prprspr2 46173 upwlkbprop 46503 ipolub00 47572 |
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