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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 2806 |
. . . . . . 7
| |
| 2 | vex 2806 |
. . . . . . 7
| |
| 3 | 1, 2 | opeldm 4940 |
. . . . . 6
|
| 4 | 3 | pm4.71i 391 |
. . . . 5
|
| 5 | ancom 266 |
. . . . 5
| |
| 6 | 4, 5 | bitr2i 185 |
. . . 4
|
| 7 | 6 | exbii 1654 |
. . 3
|
| 8 | 7 | abbii 2347 |
. 2
|
| 9 | dfima3 5085 |
. 2
| |
| 10 | dfrn3 4925 |
. 2
| |
| 11 | 8, 9, 10 | 3eqtr4i 2262 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-br 4094 df-opab 4156 df-xp 4737 df-cnv 4739 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 |
| This theorem is referenced by: cnvimarndm 5107 foima 5573 fimadmfo 5577 f1imacnv 5609 fsn2 5829 resfunexg 5883 funiunfvdm 5914 fnexALT 6282 uniqs2 6807 mapsn 6902 phplem4 7084 phplem4on 7097 retopbas 15317 |
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