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Mirrors > Home > MPE Home > Th. List > elvvv | Structured version Visualization version Unicode version |
Description: Membership in universal class of ordered triples. (Contributed by NM, 17-Dec-2008.) |
Ref | Expression |
---|---|
elvvv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elxp 5131 | . 2 | |
2 | ancom 466 | . . . . . 6 | |
3 | 2 | 2exbii 1775 | . . . . 5 |
4 | 19.42vv 1920 | . . . . . 6 | |
5 | elvv 5177 | . . . . . . 7 | |
6 | 5 | anbi2i 730 | . . . . . 6 |
7 | vex 3203 | . . . . . . 7 | |
8 | 7 | biantru 526 | . . . . . 6 |
9 | 4, 6, 8 | 3bitr2i 288 | . . . . 5 |
10 | anass 681 | . . . . 5 | |
11 | 3, 9, 10 | 3bitrri 287 | . . . 4 |
12 | 11 | 2exbii 1775 | . . 3 |
13 | exrot4 2046 | . . 3 | |
14 | excom 2042 | . . . . 5 | |
15 | opex 4932 | . . . . . . 7 | |
16 | opeq1 4402 | . . . . . . . 8 | |
17 | 16 | eqeq2d 2632 | . . . . . . 7 |
18 | 15, 17 | ceqsexv 3242 | . . . . . 6 |
19 | 18 | exbii 1774 | . . . . 5 |
20 | 14, 19 | bitri 264 | . . . 4 |
21 | 20 | 2exbii 1775 | . . 3 |
22 | 12, 13, 21 | 3bitr2i 288 | . 2 |
23 | 1, 22 | bitri 264 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wb 196 wa 384 wceq 1483 wex 1704 wcel 1990 cvv 3200 cop 4183 cxp 5112 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-opab 4713 df-xp 5120 |
This theorem is referenced by: ssrelrel 5220 dftpos3 7370 |
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