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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 6038 | . 2 ⊢ (𝐴 “ 𝐵) ⊆ ran 𝐴 | |
| 2 | rnexg 7854 | . 2 ⊢ (𝐴 ∈ 𝑉 → ran 𝐴 ∈ V) | |
| 3 | ssexg 5270 | . 2 ⊢ (((𝐴 “ 𝐵) ⊆ ran 𝐴 ∧ ran 𝐴 ∈ V) → (𝐴 “ 𝐵) ∈ V) | |
| 4 | 1, 2, 3 | sylancr 588 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 “ 𝐵) ∈ V) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 Vcvv 3442 ⊆ wss 3903 ran crn 5633 “ cima 5635 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-sep 5243 ax-pr 5379 ax-un 7690 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-xp 5638 df-cnv 5640 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 |
| This theorem is referenced by: imaex 7866 imaexd 7868 ecexg 8649 fopwdom 9025 gsumvalx 18613 gsum2dlem1 19911 gsum2dlem2 19912 gsum2d 19913 xkococnlem 23615 qtopval 23651 ustuqtop4 24200 utopsnnei 24205 fmucnd 24247 metustel 24506 metustss 24507 metustfbas 24513 metuel2 24521 psmetutop 24523 restmetu 24526 cnheiborlem 24921 itg2gt0 25729 shsval 31399 nlfnval 31968 fnpreimac 32759 ffsrn 32817 pwrssmgc 33092 gsummpt2co 33141 gsummpt2d 33142 qusima 33500 elrspunidl 33520 ply1degltdimlem 33799 algextdeglem8 33901 locfinreflem 34017 zarcmplem 34058 rhmpreimacnlem 34061 qqhval 34149 esum2d 34270 mbfmcnt 34445 sitgaddlemb 34525 eulerpartgbij 34549 eulerpartlemgs2 34557 orvcval 34635 coinfliprv 34660 ballotlemrval 34695 ballotlem7 34713 msrval 35751 mthmval 35788 dfrdg2 36006 tailval 36586 bj-clexab 37206 bj-imdirco 37439 isbasisrelowl 37607 relowlpssretop 37613 lkrval 39458 hashscontpow 42486 imacrhmcl 42878 isnacs3 43061 pw2f1ocnv 43388 pw2f1o2val 43390 lmhmlnmsplit 43438 frege98 44311 frege110 44323 frege133 44346 binomcxplemnotnn0 44706 tgqioo2 45901 smfco 47154 preimafvelsetpreimafv 47742 fundcmpsurinjlem2 47753 |
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