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Mirrors > Home > ILE Home > Th. List > eqidd | Unicode version |
Description: Class identity law with antecedent. (Contributed by NM, 21-Aug-2008.) |
Ref | Expression |
---|---|
eqidd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2177 |
. 2
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2 | 1 | a1i 9 |
1
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