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Mirrors > Home > MPE Home > Th. List > Mathboxes > dftr6 | Structured version Visualization version Unicode version |
Description: A potential definition of transitivity for sets. (Contributed by Scott Fenton, 18-Mar-2012.) |
Ref | Expression |
---|---|
dftr6.1 |
Ref | Expression |
---|---|
dftr6 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dftr6.1 | . . . . 5 | |
2 | 1 | elrn 5366 | . . . 4 |
3 | brdif 4705 | . . . . . 6 | |
4 | vex 3203 | . . . . . . . . 9 | |
5 | 4, 1 | brco 5292 | . . . . . . . 8 |
6 | epel 5032 | . . . . . . . . . 10 | |
7 | 1 | epelc 5031 | . . . . . . . . . 10 |
8 | 6, 7 | anbi12i 733 | . . . . . . . . 9 |
9 | 8 | exbii 1774 | . . . . . . . 8 |
10 | 5, 9 | bitri 264 | . . . . . . 7 |
11 | 1 | epelc 5031 | . . . . . . . 8 |
12 | 11 | notbii 310 | . . . . . . 7 |
13 | 10, 12 | anbi12i 733 | . . . . . 6 |
14 | 19.41v 1914 | . . . . . . 7 | |
15 | exanali 1786 | . . . . . . 7 | |
16 | 14, 15 | bitr3i 266 | . . . . . 6 |
17 | 3, 13, 16 | 3bitri 286 | . . . . 5 |
18 | 17 | exbii 1774 | . . . 4 |
19 | exnal 1754 | . . . 4 | |
20 | 2, 18, 19 | 3bitri 286 | . . 3 |
21 | 20 | con2bii 347 | . 2 |
22 | dftr2 4754 | . 2 | |
23 | eldif 3584 | . . 3 | |
24 | 1, 23 | mpbiran 953 | . 2 |
25 | 21, 22, 24 | 3bitr4i 292 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wa 384 wal 1481 wex 1704 wcel 1990 cvv 3200 cdif 3571 class class class wbr 4653 wtr 4752 cep 5028 crn 5115 ccom 5118 |
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-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 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-uni 4437 df-br 4654 df-opab 4713 df-tr 4753 df-eprel 5029 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 |
This theorem is referenced by: eltrans 31998 |
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