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Mirrors > Home > QLE Home > Th. List > k1-5 | Unicode version |
Description: Statement (5) in proof of Theorem 1 of Kalmbach, Orthomodular Lattices, p. 21. |
Ref | Expression |
---|---|
k1-5.1 | |
k1-5.2 |
Ref | Expression |
---|---|
k1-5 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | k1-5.1 | . . 3 | |
2 | ax-a1 30 | . . . . 5 | |
3 | 2 | lor 70 | . . . 4 |
4 | 3 | lan 77 | . . 3 |
5 | orcom 73 | . . . 4 | |
6 | 4 | ran 78 | . . . . 5 |
7 | 4, 2 | 2an 79 | . . . . 5 |
8 | 6, 7 | 2or 72 | . . . 4 |
9 | 5, 8 | tr 62 | . . 3 |
10 | 1, 4, 9 | 3tr2 64 | . 2 |
11 | k1-5.2 | . 2 | |
12 | 10, 11 | k1-4 359 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wle 2 wn 4 wo 6 wa 7 |
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-le1 130 df-le2 131 |
This theorem is referenced by: (None) |
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