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| Mirrors > Home > ILE Home > Th. List > relresfld | Unicode version | ||
| Description: Restriction of a relation to its field. (Contributed by FL, 15-Apr-2012.) |
| Ref | Expression |
|---|---|
| relresfld |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relfld 4846 |
. . . 4
| |
| 2 | 1 | reseq2d 4612 |
. . 3
|
| 3 | resundi 4625 |
. . 3
| |
| 4 | eqtr 2057 |
. . . 4
| |
| 5 | resss 4635 |
. . . . 5
| |
| 6 | resdm 4649 |
. . . . 5
| |
| 7 | ssequn2 3116 |
. . . . . 6
| |
| 8 | uneq1 3090 |
. . . . . . . . 9
| |
| 9 | 8 | eqeq2d 2051 |
. . . . . . . 8
|
| 10 | eqtr 2057 |
. . . . . . . . 9
| |
| 11 | 10 | ex 108 |
. . . . . . . 8
|
| 12 | 9, 11 | syl6bi 152 |
. . . . . . 7
|
| 13 | 12 | com3r 73 |
. . . . . 6
|
| 14 | 7, 13 | sylbi 114 |
. . . . 5
|
| 15 | 5, 6, 14 | mpsyl 59 |
. . . 4
|
| 16 | 4, 15 | syl5com 26 |
. . 3
|
| 17 | 2, 3, 16 | sylancl 392 |
. 2
|
| 18 | 17 | pm2.43i 43 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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-uni 3581 df-br 3765 df-opab 3819 df-xp 4351 df-rel 4352 df-cnv 4353 df-dm 4355 df-rn 4356 df-res 4357 |
| This theorem is referenced by: (None) |
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