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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 4866 | . . . 4 | |
2 | 1 | reseq2d 4630 | . . 3 |
3 | resundi 4643 | . . 3 | |
4 | eqtr 2098 | . . . 4 | |
5 | resss 4653 | . . . . 5 | |
6 | resdm 4667 | . . . . 5 | |
7 | ssequn2 3145 | . . . . . 6 | |
8 | uneq1 3119 | . . . . . . . . 9 | |
9 | 8 | eqeq2d 2092 | . . . . . . . 8 |
10 | eqtr 2098 | . . . . . . . . 9 | |
11 | 10 | ex 113 | . . . . . . . 8 |
12 | 9, 11 | syl6bi 161 | . . . . . . 7 |
13 | 12 | com3r 78 | . . . . . 6 |
14 | 7, 13 | sylbi 119 | . . . . 5 |
15 | 5, 6, 14 | mpsyl 64 | . . . 4 |
16 | 4, 15 | syl5com 29 | . . 3 |
17 | 2, 3, 16 | sylancl 404 | . 2 |
18 | 17 | pm2.43i 48 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wceq 1284 cun 2971 wss 2973 cuni 3601 cdm 4363 crn 4364 cres 4365 wrel 4368 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rex 2354 df-v 2603 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-br 3786 df-opab 3840 df-xp 4369 df-rel 4370 df-cnv 4371 df-dm 4373 df-rn 4374 df-res 4375 |
This theorem is referenced by: (None) |
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