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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 6916. (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 6916 | . 2 ⊢ (𝐴 ∈ (𝐵‘𝐶) → 𝐶 ∈ V) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → 𝐶 ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2142 Vcvv 3454 ‘cfv 6536 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 ax-nul 5268 ax-pr 5403 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-rab 3416 df-v 3456 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-dm 5670 df-iota 6492 df-fv 6544 |
| This theorem is used by: mrieqv2d 17701 mreexmrid 17705 mreexexlem3d 17708 mreexexlem4d 17709 mreexexd 17710 mreexdomd 17711 acsdomd 18619 ismgmn0 18706 ecqusaddcl 19270 telgsumfz 20066 isirred 20508 tgclb 23138 alexsublem 24212 cnextcn 24235 ustssel 24374 fmucnd 24459 trcfilu 24461 cfiluweak 24462 ucnextcn 24471 imasdsf1olem 24541 imasf1oxmet 24543 comet 24681 restmetu 24738 wlkp1lem4 30035 wlkp1lem8 30039 1wlkdlem4 30502 eupth2lem3lem1 30590 eupth2lem3lem2 30591 gsumsubg 33375 gsummptfzsplitla 33388 opprqusplusg 33780 opprqus0g 33781 lsssra 33987 lbsdiflsp0 34025 fedgmullem1 34028 mzpcl34 43490 xlimbr 46569 xlimmnfvlem2 46575 xlimpnfvlem2 46579 sectpropdlem 49842 invpropdlem 49844 isopropdlem 49846 cicpropdlem 49855 oppcup3 50015 elxpcbasex1ALT 50055 elxpcbasex2ALT 50057 swapf1 50078 |
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