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| Mirrors > Home > MPE Home > Th. List > imaexg | Structured version Visualization version GIF version | ||
| Description: The image of a set is a set. Theorem 3.17 of [Monk1] p. 39. (Contributed by NM, 24-Jul-1995.) |
| Ref | Expression |
|---|---|
| imaexg | ⊢ (𝐴 ∈ 𝑉 → (𝐴 “ 𝐵) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | imassrn 6065 | . 2 ⊢ (𝐴 “ 𝐵) ⊆ ran 𝐴 | |
| 2 | rnexg 7903 | . 2 ⊢ (𝐴 ∈ 𝑉 → ran 𝐴 ∈ V) | |
| 3 | ssexg 5281 | . 2 ⊢ (((𝐴 “ 𝐵) ⊆ ran 𝐴 ∧ ran 𝐴 ∈ V) → (𝐴 “ 𝐵) ∈ V) | |
| 4 | 1, 2, 3 | sylancr 599 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 “ 𝐵) ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 Vcvv 3451 ⊆ wss 3899 ran crn 5652 “ cima 5654 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2733 ax-sep 5249 ax-pr 5391 ax-un 7740 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-xp 5657 df-cnv 5659 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 |
| This theorem is used by: imaex 7915 imaexd 7917 ecexg 8705 fopwdom 9088 gsumvalx 18845 gsum2dlem1 20164 gsum2dlem2 20165 gsum2d 20166 xkococnlem 23958 qtopval 23994 ustuqtop4 24543 utopsnnei 24548 fmucnd 24590 metustel 24849 metustss 24850 metustfbas 24856 metuel2 24864 psmetutop 24866 restmetu 24869 cnheiborlem 25255 itg2gt0 26061 shsval 31896 nlfnval 32465 fnpreimac 33246 pwrssmgc 33543 gsummpt2co 33591 gsummpt2d 33592 qusima 33941 elrspunidl 33960 ply1degltdimlem 34236 algextdeglem8 34338 locfinreflem 34454 zarcmplem 34495 rhmpreimacnlem 34498 qqhval 34586 esum2d 34707 mbfmcnt 34883 sitgaddlemb 34963 eulerpartgbij 34987 eulerpartlemgs2 34995 orvcval 35073 coinfliprv 35098 ballotlemrval 35133 ballotlem7 35151 msrval 36272 mthmval 36309 dfrdg2 36527 tailval 37131 bj-clexab 37847 bj-imdirco 38079 isbasisrelowl 38249 relowlpssretop 38255 lkrval 40113 hashscontpow 43140 imacrhmcl 43546 isnacs3 43674 pw2f1ocnv 43997 pw2f1o2val 43999 lmhmlnmsplit 44047 frege98 44920 frege110 44932 frege133 44955 binomcxplemnotnn0 45299 tgqioo2 46503 smfco 47756 preimafvelsetpreimafv 48414 fundcmpsurinjlem2 48425 |
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