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Mirrors > Home > MPE Home > Th. List > biimpd | Structured version Visualization version Unicode version |
Description: Deduce an implication from a logical equivalence. Deduction associated with biimp 205 and biimpi 206. (Contributed by NM, 11-Jan-1993.) |
Ref | Expression |
---|---|
biimpd.1 |
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Ref | Expression |
---|---|
biimpd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | biimpd.1 |
. 2
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2 | biimp 205 |
. 2
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3 | 1, 2 | syl 17 |
1
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