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| Mirrors > Home > MPE Home > Th. List > elima | Structured version Visualization version GIF version | ||
| Description: Membership in an image. Theorem 34 of [Suppes] p. 65. (Contributed by NM, 19-Apr-2004.) |
| Ref | Expression |
|---|---|
| elima.1 | ⊢ 𝐴 ∈ V |
| Ref | Expression |
|---|---|
| elima | ⊢ (𝐴 ∈ (𝐵 “ 𝐶) ↔ ∃𝑥 ∈ 𝐶 𝑥𝐵𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elima.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | elimag 6060 | . 2 ⊢ (𝐴 ∈ V → (𝐴 ∈ (𝐵 “ 𝐶) ↔ ∃𝑥 ∈ 𝐶 𝑥𝐵𝐴)) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 ∈ (𝐵 “ 𝐶) ↔ ∃𝑥 ∈ 𝐶 𝑥𝐵𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∈ wcel 2145 ∃wrex 3086 Vcvv 3450 class class class wbr 5103 “ cima 5658 |
| 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 2732 ax-sep 5251 ax-pr 5398 |
| 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 2739 df-cleq 2752 df-clel 2835 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 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-br 5104 df-opab 5168 df-xp 5661 df-cnv 5663 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 |
| This theorem is used by: elima2 6062 rninxp 6172 imaco 6247 imaindm 6297 isarep1 6621 eliman0 6915 funimass4 6942 isomin 7338 dfsup2 9414 dfac10b 10142 hausmapdom 23726 pi1blem 25267 cutsun12 28055 madeval2 28098 cgrabasimass 29257 adjbd1o 32566 brimage 36503 dfrecs2 36529 dfrdg4 36530 dfint3 36531 imagesset 36532 elimaint 44489 elintima 44493 |
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