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Mirrors > Home > MPE Home > Th. List > elfvexd | Structured version Visualization version GIF version |
Description: If a function value has a member, then its argument is a set. Deduction form of elfvex 6702. (An artifact of our function value definition.) (Contributed by David Moews, 1-May-2017.) |
Ref | Expression |
---|---|
elfvexd.1 | ⊢ (𝜑 → 𝐴 ∈ (𝐵‘𝐶)) |
Ref | Expression |
---|---|
elfvexd | ⊢ (𝜑 → 𝐶 ∈ V) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfvexd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ (𝐵‘𝐶)) | |
2 | elfvex 6702 | . 2 ⊢ (𝐴 ∈ (𝐵‘𝐶) → 𝐶 ∈ V) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → 𝐶 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2110 Vcvv 3494 ‘cfv 6354 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-nul 5209 ax-pow 5265 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 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 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-sn 4567 df-pr 4569 df-op 4573 df-uni 4838 df-br 5066 df-dm 5564 df-iota 6313 df-fv 6362 |
This theorem is referenced by: mrieqv2d 16909 mreexmrid 16913 mreexexlem3d 16916 mreexexlem4d 16917 mreexexd 16918 mreexdomd 16919 acsdomd 17790 ismgmn0 17853 telgsumfz 19109 isirred 19448 tgclb 21577 alexsublem 22651 cnextcn 22674 ustssel 22813 fmucnd 22900 trcfilu 22902 cfiluweak 22903 ucnextcn 22912 imasdsf1olem 22982 imasf1oxmet 22984 comet 23122 restmetu 23179 wlkp1lem4 27457 wlkp1lem8 27461 1wlkdlem4 27918 eupth2lem3lem1 28006 eupth2lem3lem2 28007 gsumsubg 30684 lbsdiflsp0 31022 fedgmullem1 31025 mzpcl34 39326 xlimbr 42106 xlimmnfvlem2 42112 xlimpnfvlem2 42116 |
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