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| Mirrors > Home > ILE Home > Th. List > dfdm4 | Unicode version | ||
| Description: Alternate definition of domain. (Contributed by NM, 28-Dec-1996.) |
| Ref | Expression |
|---|---|
| dfdm4 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 2824 |
. . . . 5
| |
| 2 | vex 2824 |
. . . . 5
| |
| 3 | 1, 2 | brcnv 4958 |
. . . 4
|
| 4 | 3 | exbii 1658 |
. . 3
|
| 5 | 4 | abbii 2354 |
. 2
|
| 6 | dfrn2 4963 |
. 2
| |
| 7 | df-dm 4779 |
. 2
| |
| 8 | 5, 6, 7 | 3eqtr4ri 2270 |
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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-br 4126 df-opab 4188 df-cnv 4777 df-dm 4779 df-rn 4780 |
| This theorem is referenced by: dmcnvcnv 5001 rncnvcnv 5002 rncoeq 5051 cnvimass 5145 cnvimarndm 5146 dminxp 5227 cnvsn0 5251 rnsnopg 5261 dmmpt 5278 dmco 5291 cores2 5295 cnvssrndm 5304 cocnvres 5307 unidmrn 5315 dfdm2 5317 cnvexg 5320 funimacnv 5452 foimacnv 5652 funcocnv2 5659 fimacnv 5828 f1opw2 6286 fopwdom 7126 sbthlemi4 7267 exmidfodomrlemim 7543 hmeores 15339 |
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