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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 2766 |
. . . . . . 7
| |
| 2 | vex 2766 |
. . . . . . 7
| |
| 3 | 1, 2 | opeldm 4869 |
. . . . . 6
|
| 4 | 3 | pm4.71i 391 |
. . . . 5
|
| 5 | ancom 266 |
. . . . 5
| |
| 6 | 4, 5 | bitr2i 185 |
. . . 4
|
| 7 | 6 | exbii 1619 |
. . 3
|
| 8 | 7 | abbii 2312 |
. 2
|
| 9 | dfima3 5012 |
. 2
| |
| 10 | dfrn3 4855 |
. 2
| |
| 11 | 8, 9, 10 | 3eqtr4i 2227 |
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 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-v 2765 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-br 4034 df-opab 4095 df-xp 4669 df-cnv 4671 df-dm 4673 df-rn 4674 df-res 4675 df-ima 4676 |
| This theorem is referenced by: cnvimarndm 5033 foima 5485 fimadmfo 5489 f1imacnv 5521 fsn2 5736 resfunexg 5783 funiunfvdm 5810 fnexALT 6168 uniqs2 6654 mapsn 6749 phplem4 6916 phplem4on 6928 retopbas 14759 |
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