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Mirrors > Home > QLE Home > Th. List > ud1lem2 | Unicode version |
Description: Lemma for unified disjunction. |
Ref | Expression |
---|---|
ud1lem2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-i1 44 | . 2 | |
2 | comid 187 | . . . 4 | |
3 | 2 | comcom3 454 | . . 3 |
4 | comor1 461 | . . . 4 | |
5 | 4 | comcom3 454 | . . 3 |
6 | 3, 5 | fh3 471 | . 2 |
7 | ancom 74 | . . 3 | |
8 | ax-a2 31 | . . . . 5 | |
9 | df-t 41 | . . . . . 6 | |
10 | 9 | ax-r1 35 | . . . . 5 |
11 | 8, 10 | ax-r2 36 | . . . 4 |
12 | 11 | lan 77 | . . 3 |
13 | an1 106 | . . . 4 | |
14 | oran 87 | . . . . . . 7 | |
15 | oran 87 | . . . . . . . . . 10 | |
16 | 15 | ax-r1 35 | . . . . . . . . 9 |
17 | 16 | lan 77 | . . . . . . . 8 |
18 | 17 | ax-r4 37 | . . . . . . 7 |
19 | 14, 18 | ax-r2 36 | . . . . . 6 |
20 | 19 | con2 67 | . . . . 5 |
21 | 20 | ax-r5 38 | . . . 4 |
22 | ax-a2 31 | . . . . 5 | |
23 | oml 445 | . . . . 5 | |
24 | 22, 23 | ax-r2 36 | . . . 4 |
25 | 13, 21, 24 | 3tr 65 | . . 3 |
26 | 7, 12, 25 | 3tr 65 | . 2 |
27 | 1, 6, 26 | 3tr 65 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 wt 8 wi1 12 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a4 33 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 ax-r3 439 |
This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 df-i1 44 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: ud1 595 |
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