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Mirrors > Home > ILE Home > Th. List > 3eqtrd | Unicode version |
Description: A deduction from three chained equalities. (Contributed by NM, 29-Oct-1995.) |
Ref | Expression |
---|---|
3eqtrd.1 |
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3eqtrd.2 |
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3eqtrd.3 |
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Ref | Expression |
---|---|
3eqtrd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3eqtrd.1 |
. 2
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2 | 3eqtrd.2 |
. . 3
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3 | 3eqtrd.3 |
. . 3
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4 | 2, 3 | eqtrd 2210 |
. 2
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5 | 1, 4 | eqtrd 2210 |
1
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