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Mirrors > Home > QLE Home > Th. List > u5lem5 | Unicode version |
Description: Lemma for unified implication study. |
Ref | Expression |
---|---|
u5lem5 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-i5 48 | . 2 | |
2 | u5lemc1 684 | . . . . . . . 8 | |
3 | 2 | comcom 453 | . . . . . . 7 |
4 | 3 | comcom2 183 | . . . . . . 7 |
5 | 3, 4 | fh1r 473 | . . . . . 6 |
6 | 5 | ax-r1 35 | . . . . 5 |
7 | ancom 74 | . . . . . 6 | |
8 | df-t 41 | . . . . . . . . 9 | |
9 | 8 | ax-r1 35 | . . . . . . . 8 |
10 | 9 | lan 77 | . . . . . . 7 |
11 | an1 106 | . . . . . . 7 | |
12 | 10, 11 | ax-r2 36 | . . . . . 6 |
13 | 7, 12 | ax-r2 36 | . . . . 5 |
14 | 6, 13 | ax-r2 36 | . . . 4 |
15 | 14 | ax-r5 38 | . . 3 |
16 | 2 | comcom3 454 | . . . . 5 |
17 | 2 | comcom4 455 | . . . . 5 |
18 | 16, 17 | fh4 472 | . . . 4 |
19 | df-t 41 | . . . . . . 7 | |
20 | 19 | ax-r1 35 | . . . . . 6 |
21 | 20 | lan 77 | . . . . 5 |
22 | an1 106 | . . . . . 6 | |
23 | u5lemona 629 | . . . . . 6 | |
24 | 22, 23 | ax-r2 36 | . . . . 5 |
25 | 21, 24 | ax-r2 36 | . . . 4 |
26 | 18, 25 | ax-r2 36 | . . 3 |
27 | 15, 26 | ax-r2 36 | . 2 |
28 | 1, 27 | ax-r2 36 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 wt 8 wi5 16 |
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-i5 48 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: u5lem6 769 |
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