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Mirrors > Home > MPE Home > Th. List > mpbir3and | Structured version Visualization version Unicode version |
Description: Detach a conjunction of truths in a biconditional. (Contributed by Mario Carneiro, 11-May-2014.) (Revised by Mario Carneiro, 9-Jan-2015.) |
Ref | Expression |
---|---|
mpbir3and.1 |
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mpbir3and.2 |
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mpbir3and.3 |
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mpbir3and.4 |
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Ref | Expression |
---|---|
mpbir3and |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpbir3and.1 |
. . 3
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2 | mpbir3and.2 |
. . 3
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3 | mpbir3and.3 |
. . 3
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4 | 1, 2, 3 | 3jca 1242 |
. 2
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5 | mpbir3and.4 |
. 2
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6 | 4, 5 | mpbird 247 |
1
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