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Mirrors > Home > QLE Home > Th. List > k1-6 | Unicode version |
Description: Statement (6) in proof of Theorem 1 of Kalmbach, Orthomodular Lattices, p. 21. |
Ref | Expression |
---|---|
k1-6.1 |
Ref | Expression |
---|---|
k1-6 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anor3 90 | . . . . 5 | |
2 | 1 | cm 61 | . . . 4 |
3 | k1-6.1 | . . . . 5 | |
4 | 3 | con4 69 | . . . 4 |
5 | oran3 93 | . . . . 5 | |
6 | oran2 92 | . . . . 5 | |
7 | 5, 6 | 2an 79 | . . . 4 |
8 | 2, 4, 7 | 3tr1 63 | . . 3 |
9 | 8 | ran 78 | . 2 |
10 | anass 76 | . 2 | |
11 | ancom 74 | . . . 4 | |
12 | ax-a2 31 | . . . . 5 | |
13 | 12 | lan 77 | . . . 4 |
14 | anabs 121 | . . . 4 | |
15 | 11, 13, 14 | 3tr 65 | . . 3 |
16 | 15 | lan 77 | . 2 |
17 | 9, 10, 16 | 3tr 65 | 1 |
Colors of variables: term |
Syntax hints: wb 1 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 |
This theorem is referenced by: k1-8a 355 |
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