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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 206 ∈ wcel 2113 ∃wrex 3060 Vcvv 3440 class class class wbr 5098 “ cima 5627 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pr 5377 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-br 5099 df-opab 5161 df-xp 5630 df-cnv 5632 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 |
| This theorem is referenced by: elima2 6025 rninxp 6137 imaco 6209 imaindm 6257 isarep1 6581 eliman0 6871 funimass4 6898 isomin 7283 dfsup2 9347 dfac10b 10050 hausmapdom 23444 pi1blem 24995 cutsun12 27786 madeval2 27829 adjbd1o 32160 brimage 36118 dfrecs2 36144 dfrdg4 36145 dfint3 36146 imagesset 36147 elimaint 43890 elintima 43894 |
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