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Mirrors > Home > ILE Home > Th. List > domtr | Unicode version |
Description: Transitivity of dominance relation. Theorem 17 of [Suppes] p. 94. (Contributed by NM, 4-Jun-1998.) (Revised by Mario Carneiro, 15-Nov-2014.) |
Ref | Expression |
---|---|
domtr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reldom 6711 | . 2 | |
2 | vex 2729 | . . . 4 | |
3 | 2 | brdom 6716 | . . 3 |
4 | vex 2729 | . . . 4 | |
5 | 4 | brdom 6716 | . . 3 |
6 | eeanv 1920 | . . . 4 | |
7 | f1co 5405 | . . . . . . . 8 | |
8 | 7 | ancoms 266 | . . . . . . 7 |
9 | vex 2729 | . . . . . . . . 9 | |
10 | vex 2729 | . . . . . . . . 9 | |
11 | 9, 10 | coex 5149 | . . . . . . . 8 |
12 | f1eq1 5388 | . . . . . . . 8 | |
13 | 11, 12 | spcev 2821 | . . . . . . 7 |
14 | 8, 13 | syl 14 | . . . . . 6 |
15 | 4 | brdom 6716 | . . . . . 6 |
16 | 14, 15 | sylibr 133 | . . . . 5 |
17 | 16 | exlimivv 1884 | . . . 4 |
18 | 6, 17 | sylbir 134 | . . 3 |
19 | 3, 5, 18 | syl2anb 289 | . 2 |
20 | 1, 19 | vtoclr 4652 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wex 1480 class class class wbr 3982 ccom 4608 wf1 5185 cdom 6705 |
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-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-un 4411 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 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-uni 3790 df-br 3983 df-opab 4044 df-id 4271 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-fun 5190 df-fn 5191 df-f 5192 df-f1 5193 df-dom 6708 |
This theorem is referenced by: endomtr 6756 domentr 6757 cnvct 6775 ssct 6784 nndomo 6830 infnfi 6861 xpct 12329 |
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