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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 2802 |
. . . . . . 7
| |
| 2 | vex 2802 |
. . . . . . 7
| |
| 3 | 1, 2 | opeldm 4925 |
. . . . . 6
|
| 4 | 3 | pm4.71i 391 |
. . . . 5
|
| 5 | ancom 266 |
. . . . 5
| |
| 6 | 4, 5 | bitr2i 185 |
. . . 4
|
| 7 | 6 | exbii 1651 |
. . 3
|
| 8 | 7 | abbii 2345 |
. 2
|
| 9 | dfima3 5070 |
. 2
| |
| 10 | dfrn3 4910 |
. 2
| |
| 11 | 8, 9, 10 | 3eqtr4i 2260 |
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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4201 ax-pow 4257 ax-pr 4292 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-br 4083 df-opab 4145 df-xp 4724 df-cnv 4726 df-dm 4728 df-rn 4729 df-res 4730 df-ima 4731 |
| This theorem is referenced by: cnvimarndm 5091 foima 5552 fimadmfo 5556 f1imacnv 5588 fsn2 5808 resfunexg 5859 funiunfvdm 5886 fnexALT 6254 uniqs2 6740 mapsn 6835 phplem4 7012 phplem4on 7025 retopbas 15191 |
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