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Mirrors > Home > ILE Home > Th. List > mpjaodan | Unicode version |
Description: Eliminate a disjunction
in a deduction. A translation of natural
deduction rule ![]() ![]() |
Ref | Expression |
---|---|
jaodan.1 |
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jaodan.2 |
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jaodan.3 |
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Ref | Expression |
---|---|
mpjaodan |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | jaodan.3 |
. 2
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2 | jaodan.1 |
. . 3
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3 | jaodan.2 |
. . 3
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4 | 2, 3 | jaodan 797 |
. 2
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5 | 1, 4 | mpdan 421 |
1
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