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Mirrors > Home > MPE Home > Th. List > bitr3i | Structured version Visualization version Unicode version |
Description: An inference from transitive law for logical equivalence. (Contributed by NM, 2-Jun-1993.) |
Ref | Expression |
---|---|
bitr3i.1 |
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bitr3i.2 |
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Ref | Expression |
---|---|
bitr3i |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bitr3i.1 |
. . 3
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2 | 1 | bicomi 206 |
. 2
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3 | bitr3i.2 |
. 2
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4 | 2, 3 | bitri 253 |
1
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