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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 | |
3eqtrd.2 | |
3eqtrd.3 |
Ref | Expression |
---|---|
3eqtrd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3eqtrd.1 | . 2 | |
2 | 3eqtrd.2 | . . 3 | |
3 | 3eqtrd.3 | . . 3 | |
4 | 2, 3 | eqtrd 2198 | . 2 |
5 | 1, 4 | eqtrd 2198 | 1 |
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