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Mirrors > Home > ILE Home > Th. List > ssrelrel | Unicode version |
Description: A subclass relationship determined by ordered triples. Use relrelss 5130 to express the antecedent in terms of the relation predicate. (Contributed by NM, 17-Dec-2008.) (Proof shortened by Andrew Salmon, 27-Aug-2011.) |
Ref | Expression |
---|---|
ssrelrel |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssel 3136 | . . . 4 | |
2 | 1 | alrimiv 1862 | . . 3 |
3 | 2 | alrimivv 1863 | . 2 |
4 | elvvv 4667 | . . . . . . . 8 | |
5 | eleq1 2229 | . . . . . . . . . . . . . 14 | |
6 | eleq1 2229 | . . . . . . . . . . . . . 14 | |
7 | 5, 6 | imbi12d 233 | . . . . . . . . . . . . 13 |
8 | 7 | biimprcd 159 | . . . . . . . . . . . 12 |
9 | 8 | alimi 1443 | . . . . . . . . . . 11 |
10 | 19.23v 1871 | . . . . . . . . . . 11 | |
11 | 9, 10 | sylib 121 | . . . . . . . . . 10 |
12 | 11 | 2alimi 1444 | . . . . . . . . 9 |
13 | 19.23vv 1872 | . . . . . . . . 9 | |
14 | 12, 13 | sylib 121 | . . . . . . . 8 |
15 | 4, 14 | syl5bi 151 | . . . . . . 7 |
16 | 15 | com23 78 | . . . . . 6 |
17 | 16 | a2d 26 | . . . . 5 |
18 | 17 | alimdv 1867 | . . . 4 |
19 | dfss2 3131 | . . . 4 | |
20 | dfss2 3131 | . . . 4 | |
21 | 18, 19, 20 | 3imtr4g 204 | . . 3 |
22 | 21 | com12 30 | . 2 |
23 | 3, 22 | impbid2 142 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 104 wal 1341 wceq 1343 wex 1480 wcel 2136 cvv 2726 wss 3116 cop 3579 cxp 4602 |
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 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-v 2728 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-opab 4044 df-xp 4610 |
This theorem is referenced by: eqrelrel 4705 |
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