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| Mirrors > Home > MPE Home > Th. List > imacnvcnv | Structured version Visualization version GIF version | ||
| Description: The image of the double converse of a class. (Contributed by NM, 8-Apr-2007.) |
| Ref | Expression |
|---|---|
| imacnvcnv | ⊢ (◡◡𝐴 “ 𝐵) = (𝐴 “ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rescnvcnv 6195 | . . 3 ⊢ (◡◡𝐴 ↾ 𝐵) = (𝐴 ↾ 𝐵) | |
| 2 | 1 | rneqi 5918 | . 2 ⊢ ran (◡◡𝐴 ↾ 𝐵) = ran (𝐴 ↾ 𝐵) |
| 3 | df-ima 5665 | . 2 ⊢ (◡◡𝐴 “ 𝐵) = ran (◡◡𝐴 ↾ 𝐵) | |
| 4 | df-ima 5665 | . 2 ⊢ (𝐴 “ 𝐵) = ran (𝐴 ↾ 𝐵) | |
| 5 | 2, 3, 4 | 3eqtr4i 2798 | 1 ⊢ (◡◡𝐴 “ 𝐵) = (𝐴 “ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1563 ◡ccnv 5651 ran crn 5653 ↾ cres 5654 “ cima 5655 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 ax-sep 5251 ax-pr 5395 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-sn 4586 df-pr 4588 df-op 4592 df-br 5106 df-opab 5168 df-xp 5658 df-rel 5659 df-cnv 5660 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 |
| This theorem is referenced by: curry1 8087 curry2 8090 fnwelem 8115 fpwwe2lem5 10608 fpwwe2lem8 10611 eqglact 19238 hmeoima 23883 hmeocld 23885 hmeocls 23886 hmeontr 23887 reghmph 23911 qtopf1 23934 tgpconncompeqg 24230 imasf1obl 24606 mbfimaopnlem 25775 hmeoclda 36706 |
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