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Related theorems Unicode version |
| Description: Inference rule for ortholattices. |
| Ref | Expression |
|---|---|
| r5.1 |
|
| Ref | Expression |
|---|---|
| ax-r5 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | wva |
. . 3
| |
| 2 | wvc |
. . 3
| |
| 3 | 1, 2 | wo 6 |
. 2
|
| 4 | wvb |
. . 3
| |
| 5 | 4, 2 | wo 6 |
. 2
|
| 6 | 3, 5 | wb 1 |
1
|