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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 6211 | . 2 ⊢ (𝐴 “ 𝐵) ⊆ ran 𝐴 | |
| 2 | rnexg 7941 | . 2 ⊢ (𝐴 ∈ 𝑉 → ran 𝐴 ∈ V) | |
| 3 | ssexg 5286 | . 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 2147 Vcvv 3454 ⊆ wss 3900 ran crn 5657 “ cima 5659 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 ax-sep 5253 ax-pr 5396 ax-un 7778 |
| 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 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5172 df-xp 5662 df-rel 5663 df-cnv 5664 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 |
| This theorem is used by: imaex 7953 imaexd 7955 ecexg 8752 fopwdom 9135 gsumvalx 18897 gsum2dlem1 20217 gsum2dlem2 20218 gsum2d 20219 xkococnlem 24011 qtopval 24047 ustuqtop4 24596 utopsnnei 24601 fmucnd 24643 metustel 24902 metustss 24903 metustfbas 24909 metuel2 24917 psmetutop 24919 restmetu 24922 cnheiborlem 25308 itg2gt0 26114 shsval 31947 nlfnval 32516 fnpreimac 33339 pwrssmgc 33637 gsummpt2co 33685 gsummpt2d 33686 qusima 34043 ply1degltdimlem 34337 algextdeglem8 34439 locfinreflem 34555 zarcmplem 34596 rhmpreimacnlem 34599 qqhval 34687 esum2d 34808 mbfmcnt 34983 sitgaddlemb 35063 eulerpartgbij 35087 eulerpartlemgs2 35095 orvcval 35173 coinfliprv 35198 ballotlemrval 35233 ballotlem7 35251 msrval 36483 mthmval 36520 dfrdg2 36748 tailval 37352 bj-clexab 38068 bj-imdirco 38316 isbasisrelowl 38486 relowlpssretop 38492 lkrval 40348 hashscontpow 43375 imacrhmcl 43785 isnacs3 43925 pw2f1ocnv 44248 pw2f1o2val 44250 lmhmlnmsplit 44293 frege98 45164 frege110 45176 frege133 45199 binomcxplemnotnn0 45543 tgqioo2 46774 smfco 48027 preimafvelsetpreimafv 48685 fundcmpsurinjlem2 48696 |
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