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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 5139 | . . . 4 | |
2 | 1 | reseq2d 4891 | . . 3 |
3 | resundi 4904 | . . 3 | |
4 | eqtr 2188 | . . . 4 | |
5 | resss 4915 | . . . . 5 | |
6 | resdm 4930 | . . . . 5 | |
7 | ssequn2 3300 | . . . . . 6 | |
8 | uneq1 3274 | . . . . . . . . 9 | |
9 | 8 | eqeq2d 2182 | . . . . . . . 8 |
10 | eqtr 2188 | . . . . . . . . 9 | |
11 | 10 | ex 114 | . . . . . . . 8 |
12 | 9, 11 | syl6bi 162 | . . . . . . 7 |
13 | 12 | com3r 79 | . . . . . 6 |
14 | 7, 13 | sylbi 120 | . . . . 5 |
15 | 5, 6, 14 | mpsyl 65 | . . . 4 |
16 | 4, 15 | syl5com 29 | . . 3 |
17 | 2, 3, 16 | sylancl 411 | . 2 |
18 | 17 | pm2.43i 49 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1348 cun 3119 wss 3121 cuni 3796 cdm 4611 crn 4612 cres 4613 wrel 4616 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-14 2144 ax-ext 2152 ax-sep 4107 ax-pow 4160 ax-pr 4194 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ral 2453 df-rex 2454 df-v 2732 df-un 3125 df-in 3127 df-ss 3134 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-br 3990 df-opab 4051 df-xp 4617 df-rel 4618 df-cnv 4619 df-dm 4621 df-rn 4622 df-res 4623 |
This theorem is referenced by: (None) |
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