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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 6702 | . 2 ⊢ (𝐴 ∈ (𝐹‘𝐵) → 𝐵 ∈ dom 𝐹) | |
2 | 1 | elexd 3514 | 1 ⊢ (𝐴 ∈ (𝐹‘𝐵) → 𝐵 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 Vcvv 3494 dom cdm 5555 ‘cfv 6355 |
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-nul 5210 ax-pow 5266 |
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-mo 2622 df-eu 2654 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-uni 4839 df-br 5067 df-dm 5565 df-iota 6314 df-fv 6363 |
This theorem is referenced by: elfvexd 6704 fviss 6741 fiin 8886 elharval 9027 elfzp12 12987 ismre 16861 ismri 16902 isacs 16922 oppccofval 16986 mulgnngsum 18233 gexid 18706 efgrcl 18841 islss 19706 thlle 20841 islbs4 20976 istopon 21520 fgval 22478 fgcl 22486 ufilen 22538 ustssxp 22813 ustbasel 22815 ustincl 22816 ustdiag 22817 ustinvel 22818 ustexhalf 22819 ustfilxp 22821 ustbas2 22834 trust 22838 utopval 22841 elutop 22842 restutop 22846 ustuqtop5 22854 isucn 22887 psmetdmdm 22915 psmetf 22916 psmet0 22918 psmettri2 22919 psmetres2 22924 ismet2 22943 xmetpsmet 22958 metustfbas 23167 metust 23168 iscmet 23887 ulmscl 24967 1vgrex 26787 wlkcompim 27413 clwlkcompim 27561 wwlkbp 27619 2wlkdlem7 27711 clwwlkbp 27763 3wlkdlem7 27945 metidval 31130 pstmval 31135 pstmxmet 31137 issiga 31371 insiga 31396 mvrsval 32752 mrsubcv 32757 mrsubccat 32765 mppsval 32819 topdifinffinlem 34631 istotbnd 35062 isbnd 35073 ismrc 39318 isnacs 39321 mzpcl1 39346 mzpcl2 39347 mzpf 39353 mzpadd 39355 mzpmul 39356 mzpsubmpt 39360 mzpnegmpt 39361 mzpexpmpt 39362 mzpindd 39363 mzpsubst 39365 mzpcompact2 39369 mzpcong 39589 sprel 43666 clintop 44135 assintop 44136 clintopcllaw 44138 assintopcllaw 44139 assintopass 44141 |
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