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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 2775 |
. . . . . . 7
| |
| 2 | vex 2775 |
. . . . . . 7
| |
| 3 | 1, 2 | opeldm 4881 |
. . . . . 6
|
| 4 | 3 | pm4.71i 391 |
. . . . 5
|
| 5 | ancom 266 |
. . . . 5
| |
| 6 | 4, 5 | bitr2i 185 |
. . . 4
|
| 7 | 6 | exbii 1628 |
. . 3
|
| 8 | 7 | abbii 2321 |
. 2
|
| 9 | dfima3 5025 |
. 2
| |
| 10 | dfrn3 4867 |
. 2
| |
| 11 | 8, 9, 10 | 3eqtr4i 2236 |
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 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-14 2179 ax-ext 2187 ax-sep 4162 ax-pow 4218 ax-pr 4253 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1484 df-sb 1786 df-eu 2057 df-mo 2058 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-ral 2489 df-rex 2490 df-v 2774 df-un 3170 df-in 3172 df-ss 3179 df-pw 3618 df-sn 3639 df-pr 3640 df-op 3642 df-br 4045 df-opab 4106 df-xp 4681 df-cnv 4683 df-dm 4685 df-rn 4686 df-res 4687 df-ima 4688 |
| This theorem is referenced by: cnvimarndm 5046 foima 5503 fimadmfo 5507 f1imacnv 5539 fsn2 5754 resfunexg 5805 funiunfvdm 5832 fnexALT 6196 uniqs2 6682 mapsn 6777 phplem4 6952 phplem4on 6964 retopbas 14995 |
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