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| Mirrors > Home > ILE Home > Th. List > imadmrn | Unicode version | ||
| Description: The image of the domain of a class is the range of the class. (Contributed by NM, 14-Aug-1994.) |
| Ref | Expression |
|---|---|
| imadmrn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 2774 |
. . . . . . 7
| |
| 2 | vex 2774 |
. . . . . . 7
| |
| 3 | 1, 2 | opeldm 4880 |
. . . . . 6
|
| 4 | 3 | pm4.71i 391 |
. . . . 5
|
| 5 | ancom 266 |
. . . . 5
| |
| 6 | 4, 5 | bitr2i 185 |
. . . 4
|
| 7 | 6 | exbii 1627 |
. . 3
|
| 8 | 7 | abbii 2320 |
. 2
|
| 9 | dfima3 5024 |
. 2
| |
| 10 | dfrn3 4866 |
. 2
| |
| 11 | 8, 9, 10 | 3eqtr4i 2235 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1469 ax-7 1470 ax-gen 1471 ax-ie1 1515 ax-ie2 1516 ax-8 1526 ax-10 1527 ax-11 1528 ax-i12 1529 ax-bndl 1531 ax-4 1532 ax-17 1548 ax-i9 1552 ax-ial 1556 ax-i5r 1557 ax-14 2178 ax-ext 2186 ax-sep 4161 ax-pow 4217 ax-pr 4252 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1375 df-nf 1483 df-sb 1785 df-eu 2056 df-mo 2057 df-clab 2191 df-cleq 2197 df-clel 2200 df-nfc 2336 df-ral 2488 df-rex 2489 df-v 2773 df-un 3169 df-in 3171 df-ss 3178 df-pw 3617 df-sn 3638 df-pr 3639 df-op 3641 df-br 4044 df-opab 4105 df-xp 4680 df-cnv 4682 df-dm 4684 df-rn 4685 df-res 4686 df-ima 4687 |
| This theorem is referenced by: cnvimarndm 5045 foima 5502 fimadmfo 5506 f1imacnv 5538 fsn2 5753 resfunexg 5804 funiunfvdm 5831 fnexALT 6195 uniqs2 6681 mapsn 6776 phplem4 6951 phplem4on 6963 retopbas 14966 |
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