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Mirrors > Home > MPE Home > Th. List > jca | Structured version Visualization version Unicode version |
Description: Deduce conjunction of the
consequents of two implications ("join
consequents with 'and'"). Equivalent to the natural deduction rule
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Ref | Expression |
---|---|
jca.1 |
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jca.2 |
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Ref | Expression |
---|---|
jca |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | jca.1 |
. 2
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2 | jca.2 |
. 2
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3 | pm3.2 463 |
. 2
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4 | 1, 2, 3 | sylc 65 |
1
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