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Mirrors > Home > ILE Home > Th. List > eleqtrrdi | Unicode version |
Description: A membership and equality inference. (Contributed by NM, 24-Apr-2005.) |
Ref | Expression |
---|---|
eleqtrrdi.1 |
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eleqtrrdi.2 |
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Ref | Expression |
---|---|
eleqtrrdi |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eleqtrrdi.1 |
. 2
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2 | eleqtrrdi.2 |
. . 3
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3 | 2 | eqcomi 2181 |
. 2
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4 | 1, 3 | eleqtrdi 2270 |
1
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