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Mirrors > Home > MPE Home > Th. List > albii | Structured version Visualization version Unicode version |
Description: Inference adding universal quantifier to both sides of an equivalence. (Contributed by NM, 7-Aug-1994.) |
Ref | Expression |
---|---|
albii.1 |
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Ref | Expression |
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albii |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | albi 1746 |
. 2
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2 | albii.1 |
. 2
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3 | 1, 2 | mpg 1724 |
1
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