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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 6697. (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 6697 | . 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 6349 |
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 5202 ax-pow 5258 |
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 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-dm 5559 df-iota 6308 df-fv 6357 |
This theorem is referenced by: mrieqv2d 16904 mreexmrid 16908 mreexexlem3d 16911 mreexexlem4d 16912 mreexexd 16913 mreexdomd 16914 acsdomd 17785 ismgmn0 17848 telgsumfz 19104 isirred 19443 tgclb 21572 alexsublem 22646 cnextcn 22669 ustssel 22808 fmucnd 22895 trcfilu 22897 cfiluweak 22898 ucnextcn 22907 imasdsf1olem 22977 imasf1oxmet 22979 comet 23117 restmetu 23174 wlkp1lem4 27452 wlkp1lem8 27456 1wlkdlem4 27913 eupth2lem3lem1 28001 eupth2lem3lem2 28002 gsumsubg 30679 lbsdiflsp0 31017 fedgmullem1 31020 mzpcl34 39321 xlimbr 42101 xlimmnfvlem2 42107 xlimpnfvlem2 42111 |
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