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Mirrors > Home > QLE Home > Th. List > u5lemona | Unicode version |
Description: Lemma for relevance implication study. |
Ref | Expression |
---|---|
u5lemona |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-i5 48 | . . 3 | |
2 | 1 | ax-r5 38 | . 2 |
3 | ax-a3 32 | . . . 4 | |
4 | 3 | ax-r5 38 | . . 3 |
5 | ax-a3 32 | . . . 4 | |
6 | lea 160 | . . . . . . . 8 | |
7 | lea 160 | . . . . . . . 8 | |
8 | 6, 7 | lel2or 170 | . . . . . . 7 |
9 | 8 | df-le2 131 | . . . . . 6 |
10 | 9 | lor 70 | . . . . 5 |
11 | ax-a2 31 | . . . . 5 | |
12 | 10, 11 | ax-r2 36 | . . . 4 |
13 | 5, 12 | ax-r2 36 | . . 3 |
14 | 4, 13 | ax-r2 36 | . 2 |
15 | 2, 14 | ax-r2 36 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 wo 6 wa 7 wi5 16 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 |
This theorem depends on definitions: df-a 40 df-t 41 df-f 42 df-i5 48 df-le1 130 df-le2 131 |
This theorem is referenced by: u5lemnaa 644 u5lem5 765 |
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