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Mirrors > Home > QLE Home > Th. List > an1 | Unicode version |
Description: Conjunction with 1. |
Ref | Expression |
---|---|
an1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-a 40 | . 2 | |
2 | df-f 42 | . . . . . 6 | |
3 | 2 | ax-r1 35 | . . . . 5 |
4 | 3 | lor 70 | . . . 4 |
5 | or0 102 | . . . 4 | |
6 | 4, 5 | ax-r2 36 | . . 3 |
7 | 6 | con2 67 | . 2 |
8 | 1, 7 | ax-r2 36 | 1 |
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