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Mirrors > Home > MPE Home > Th. List > 3eqtri | Structured version Visualization version Unicode version |
Description: An inference from three chained equalities. (Contributed by NM, 29-Aug-1993.) |
Ref | Expression |
---|---|
3eqtri.1 | |
3eqtri.2 | |
3eqtri.3 |
Ref | Expression |
---|---|
3eqtri |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3eqtri.1 | . 2 | |
2 | 3eqtri.2 | . . 3 | |
3 | 3eqtri.3 | . . 3 | |
4 | 2, 3 | eqtri 2644 | . 2 |
5 | 1, 4 | eqtri 2644 | 1 |
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