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| Mirrors > Home > MPE Home > Th. List > 3eqtr3g | Structured version Visualization version Unicode version | ||
| Description: A chained equality inference, useful for converting from definitions. (Contributed by NM, 15-Nov-1994.) |
| Ref | Expression |
|---|---|
| 3eqtr3g.1 |
|
| 3eqtr3g.2 |
|
| 3eqtr3g.3 |
|
| Ref | Expression |
|---|---|
| 3eqtr3g |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3eqtr3g.2 |
. . 3
| |
| 2 | 3eqtr3g.1 |
. . 3
| |
| 3 | 1, 2 | syl5eqr 2670 |
. 2
|
| 4 | 3eqtr3g.3 |
. 2
| |
| 5 | 3, 4 | syl6eq 2672 |
1
|
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