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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 5477 | . 2 ⊢ (𝐴 “ 𝐵) ⊆ ran 𝐴 | |
2 | rnexg 7098 | . 2 ⊢ (𝐴 ∈ 𝑉 → ran 𝐴 ∈ V) | |
3 | ssexg 4804 | . 2 ⊢ (((𝐴 “ 𝐵) ⊆ ran 𝐴 ∧ ran 𝐴 ∈ V) → (𝐴 “ 𝐵) ∈ V) | |
4 | 1, 2, 3 | sylancr 695 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐴 “ 𝐵) ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 1990 Vcvv 3200 ⊆ wss 3574 ran crn 5115 “ cima 5117 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-xp 5120 df-cnv 5122 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 |
This theorem is referenced by: imaex 7104 ecexg 7746 fopwdom 8068 gsumvalx 17270 gsum2dlem1 18369 gsum2dlem2 18370 gsum2d 18371 xkococnlem 21462 qtopval 21498 ustuqtop4 22048 utopsnnei 22053 fmucnd 22096 metustel 22355 metustss 22356 metustfbas 22362 metuel2 22370 psmetutop 22372 restmetu 22375 cnheiborlem 22753 itg2gt0 23527 shsval 28171 nlfnval 28740 ffsrn 29504 gsummpt2co 29780 gsummpt2d 29781 locfinreflem 29907 qqhval 30018 esum2d 30155 mbfmcnt 30330 sitgaddlemb 30410 eulerpartgbij 30434 eulerpartlemgs2 30442 orvcval 30519 coinfliprv 30544 ballotlemrval 30579 ballotlem7 30597 msrval 31435 mthmval 31472 dfrdg2 31701 brapply 32045 dfrdg4 32058 tailval 32368 bj-clex 32952 isbasisrelowl 33206 relowlpssretop 33212 ptrest 33408 lkrval 34375 isnacs3 37273 pw2f1ocnv 37604 pw2f1o2val 37606 lmhmlnmsplit 37657 intima0 37939 elintima 37945 brtrclfv2 38019 frege98 38255 frege110 38267 frege133 38290 binomcxplemnotnn0 38555 imaexi 39415 tgqioo2 39774 sge0f1o 40599 smfco 41009 |
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