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Mirrors > Home > MPE Home > Th. List > elfvex | Structured version Visualization version GIF version |
Description: If a function value has a member, then the argument is a set. (An artifact of our function value definition.) (Contributed by Mario Carneiro, 6-Nov-2015.) |
Ref | Expression |
---|---|
elfvex | ⊢ (𝐴 ∈ (𝐹‘𝐵) → 𝐵 ∈ V) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfvdm 6727 | . 2 ⊢ (𝐴 ∈ (𝐹‘𝐵) → 𝐵 ∈ dom 𝐹) | |
2 | 1 | elexd 3418 | 1 ⊢ (𝐴 ∈ (𝐹‘𝐵) → 𝐵 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2112 Vcvv 3398 dom cdm 5536 ‘cfv 6358 |
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-10 2143 ax-11 2160 ax-12 2177 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-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-ne 2933 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-uni 4806 df-br 5040 df-dm 5546 df-iota 6316 df-fv 6366 |
This theorem is referenced by: elfvexd 6729 fviss 6766 fiin 9016 elharval 9155 elfzp12 13156 ismre 17047 ismri 17088 isacs 17108 oppccofval 17174 mulgnngsum 18451 gexid 18924 efgrcl 19059 islss 19925 thlle 20613 islbs4 20748 istopon 21763 fgval 22721 fgcl 22729 ufilen 22781 ustssxp 23056 ustbasel 23058 ustincl 23059 ustdiag 23060 ustinvel 23061 ustexhalf 23062 ustfilxp 23064 ustbas2 23077 trust 23081 utopval 23084 elutop 23085 restutop 23089 ustuqtop5 23097 isucn 23129 psmetdmdm 23157 psmetf 23158 psmet0 23160 psmettri2 23161 psmetres2 23166 ismet2 23185 xmetpsmet 23200 metustfbas 23409 metust 23410 iscmet 24135 ulmscl 25225 1vgrex 27047 wlkcompim 27673 clwlkcompim 27821 wwlkbp 27879 2wlkdlem7 27970 clwwlkbp 28022 3wlkdlem7 28203 metidval 31508 pstmval 31513 pstmxmet 31515 issiga 31746 insiga 31771 mvrsval 33134 mrsubcv 33139 mrsubccat 33147 mppsval 33201 topdifinffinlem 35204 istotbnd 35613 isbnd 35624 ismrc 40167 isnacs 40170 mzpcl1 40195 mzpcl2 40196 mzpf 40202 mzpadd 40204 mzpmul 40205 mzpsubmpt 40209 mzpnegmpt 40210 mzpexpmpt 40211 mzpindd 40212 mzpsubst 40214 mzpcompact2 40218 mzpcong 40438 sprel 44552 clintop 45018 assintop 45019 clintopcllaw 45021 assintopcllaw 45022 assintopass 45024 |
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