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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 6023 | . 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 |
| Syntax hints: ↔ wb 207 ∈ wcel 2119 ∃wrex 3064 Vcvv 3432 class class class wbr 5079 “ cima 5628 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 ax-sep 5225 ax-pr 5369 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-sn 4563 df-pr 4565 df-op 4569 df-br 5080 df-opab 5142 df-xp 5631 df-cnv 5633 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 |
| This theorem is referenced by: elima2 6025 rninxp 6137 imaco 6209 imaindm 6257 isarep1 6581 eliman0 6871 funimass4 6898 isomin 7288 dfsup2 9354 dfac10b 10060 hausmapdom 23490 pi1blem 25031 cutsun12 27807 madeval2 27850 adjbd1o 32181 brimage 36159 dfrecs2 36185 dfrdg4 36186 dfint3 36187 imagesset 36188 elimaint 44100 elintima 44104 |
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