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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 6204 | . . 3 ⊢ (◡◡𝐴 ↾ 𝐵) = (𝐴 ↾ 𝐵) | |
| 2 | 1 | rneqi 5925 | . 2 ⊢ ran (◡◡𝐴 ↾ 𝐵) = ran (𝐴 ↾ 𝐵) |
| 3 | df-ima 5672 | . 2 ⊢ (◡◡𝐴 “ 𝐵) = ran (◡◡𝐴 ↾ 𝐵) | |
| 4 | df-ima 5672 | . 2 ⊢ (𝐴 “ 𝐵) = ran (𝐴 ↾ 𝐵) | |
| 5 | 2, 3, 4 | 3eqtr4i 2795 | 1 ⊢ (◡◡𝐴 “ 𝐵) = (𝐴 “ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ◡ccnv 5658 ran crn 5660 ↾ cres 5661 “ cima 5662 |
| 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 2734 ax-sep 5255 ax-pr 5402 |
| 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 2741 df-cleq 2754 df-clel 2837 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-br 5108 df-opab 5172 df-xp 5665 df-rel 5666 df-cnv 5667 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 |
| This theorem is used by: curry1 8105 curry2 8108 fnwelem 8133 fpwwe2lem5 10648 fpwwe2lem8 10651 eqglact 19310 hmeoima 23997 hmeocld 23999 hmeocls 24000 hmeontr 24001 reghmph 24025 qtopf1 24048 tgpconncompeqg 24344 imasf1obl 24720 mbfimaopnlem 25889 hmeoclda 36960 |
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