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Mirrors > Home > QLE Home > Th. List > ax-r4 | Unicode version |
Description: Inference rule for ortholattices. |
Ref | Expression |
---|---|
r4.1 |
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Ref | Expression |
---|---|
ax-r4 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wva |
. . 3
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2 | 1 | wn 4 |
. 2
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3 | wvb |
. . 3
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4 | 3 | wn 4 |
. 2
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5 | 2, 4 | wb 1 |
1
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