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Mirrors > Home > MPE Home > Th. List > jcad | Structured version Visualization version Unicode version |
Description: Deduction conjoining the consequents of two implications. (Contributed by NM, 15-Jul-1993.) (Proof shortened by Wolf Lammen, 23-Jul-2013.) |
Ref | Expression |
---|---|
jcad.1 |
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jcad.2 |
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Ref | Expression |
---|---|
jcad |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | jcad.1 |
. 2
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2 | jcad.2 |
. 2
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3 | pm3.2 453 |
. 2
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4 | 1, 2, 3 | syl6c 66 |
1
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