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Mirrors > Home > QLE Home > Th. List > ud3lem1 | Unicode version |
Description: Lemma for unified disjunction. |
Ref | Expression |
---|---|
ud3lem1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-i3 46 | . 2 | |
2 | ud3lem1a 566 | . . . . . 6 | |
3 | ud3lem1b 567 | . . . . . 6 | |
4 | 2, 3 | 2or 72 | . . . . 5 |
5 | or0 102 | . . . . 5 | |
6 | 4, 5 | ax-r2 36 | . . . 4 |
7 | ud3lem1d 569 | . . . 4 | |
8 | 6, 7 | 2or 72 | . . 3 |
9 | coman1 185 | . . . . . . 7 | |
10 | 9 | comcom2 183 | . . . . . . . 8 |
11 | coman2 186 | . . . . . . . . 9 | |
12 | 11 | comcom7 460 | . . . . . . . 8 |
13 | 10, 12 | com2or 483 | . . . . . . 7 |
14 | 9, 13 | fh3 471 | . . . . . 6 |
15 | ax-a2 31 | . . . . . . . . 9 | |
16 | orabs 120 | . . . . . . . . 9 | |
17 | 15, 16 | ax-r2 36 | . . . . . . . 8 |
18 | ax-a2 31 | . . . . . . . . 9 | |
19 | anor1 88 | . . . . . . . . . . 11 | |
20 | 19 | lor 70 | . . . . . . . . . 10 |
21 | df-t 41 | . . . . . . . . . . 11 | |
22 | 21 | ax-r1 35 | . . . . . . . . . 10 |
23 | 20, 22 | ax-r2 36 | . . . . . . . . 9 |
24 | 18, 23 | ax-r2 36 | . . . . . . . 8 |
25 | 17, 24 | 2an 79 | . . . . . . 7 |
26 | an1 106 | . . . . . . 7 | |
27 | 25, 26 | ax-r2 36 | . . . . . 6 |
28 | 14, 27 | ax-r2 36 | . . . . 5 |
29 | 28 | lor 70 | . . . 4 |
30 | or12 80 | . . . 4 | |
31 | ax-a2 31 | . . . 4 | |
32 | 29, 30, 31 | 3tr1 63 | . . 3 |
33 | 8, 32 | ax-r2 36 | . 2 |
34 | 1, 33 | ax-r2 36 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 wt 8 wf 9 wi3 14 |
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-i3 46 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: ud3 597 u3lem11a 787 |
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