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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 2816 |
. . . . 5
| |
| 2 | vex 2816 |
. . . . 5
| |
| 3 | 1, 2 | brcnv 4938 |
. . . 4
|
| 4 | 3 | exbii 1654 |
. . 3
|
| 5 | 4 | abbii 2348 |
. 2
|
| 6 | dfrn2 4943 |
. 2
| |
| 7 | df-dm 4759 |
. 2
| |
| 8 | 5, 6, 7 | 3eqtr4ri 2264 |
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 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-v 2815 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-br 4110 df-opab 4172 df-cnv 4757 df-dm 4759 df-rn 4760 |
| This theorem is referenced by: dmcnvcnv 4981 rncnvcnv 4982 rncoeq 5031 cnvimass 5125 cnvimarndm 5126 dminxp 5207 cnvsn0 5231 rnsnopg 5241 dmmpt 5258 dmco 5271 cores2 5275 cnvssrndm 5284 cocnvres 5287 unidmrn 5295 dfdm2 5297 cnvexg 5300 funimacnv 5432 foimacnv 5632 funcocnv2 5639 fimacnv 5806 f1opw2 6261 fopwdom 7089 sbthlemi4 7230 exmidfodomrlemim 7504 hmeores 15180 |
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