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Mirrors > Home > ILE Home > Th. List > dminxp | Unicode version |
Description: Domain of the intersection with a cross product. (Contributed by NM, 17-Jan-2006.) |
Ref | Expression |
---|---|
dminxp |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfdm4 4527 | . . . 4 | |
2 | cnvin 4731 | . . . . . 6 | |
3 | cnvxp 4742 | . . . . . . 7 | |
4 | 3 | ineq2i 3135 | . . . . . 6 |
5 | 2, 4 | eqtri 2060 | . . . . 5 |
6 | 5 | rneqi 4562 | . . . 4 |
7 | 1, 6 | eqtri 2060 | . . 3 |
8 | 7 | eqeq1i 2047 | . 2 |
9 | rninxp 4764 | . 2 | |
10 | vex 2560 | . . . . 5 | |
11 | vex 2560 | . . . . 5 | |
12 | 10, 11 | brcnv 4518 | . . . 4 |
13 | 12 | rexbii 2331 | . . 3 |
14 | 13 | ralbii 2330 | . 2 |
15 | 8, 9, 14 | 3bitri 195 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 98 wceq 1243 wral 2306 wrex 2307 cin 2916 class class class wbr 3764 cxp 4343 ccnv 4344 cdm 4345 crn 4346 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-sep 3875 ax-pow 3927 ax-pr 3944 |
This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 df-v 2559 df-un 2922 df-in 2924 df-ss 2931 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-br 3765 df-opab 3819 df-xp 4351 df-rel 4352 df-cnv 4353 df-dm 4355 df-rn 4356 df-res 4357 df-ima 4358 |
This theorem is referenced by: (None) |
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