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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 6061 | . 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 2144 ∃wrex 3086 Vcvv 3450 class class class wbr 5102 “ cima 5653 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-sep 5248 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-br 5103 df-opab 5167 df-xp 5656 df-cnv 5658 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 |
| This theorem is used by: elima2 6063 rninxp 6172 imaco 6254 imaindm 6304 isarep1 6631 eliman0 6925 funimass4 6952 isomin 7347 dfsup2 9441 dfac10b 10223 hausmapdom 23826 pi1blem 25367 cutsun12 28183 madeval2 28226 cgrabasimass 29385 adjbd1o 32694 brimage 36782 dfrecs2 36808 dfrdg4 36809 dfint3 36810 imagesset 36811 elimaint 44756 elintima 44760 |
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