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| Mirrors > Home > MPE Home > Th. List > bitr3d | Structured version Visualization version Unicode version | ||
| Description: Deduction form of bitr3i 266. (Contributed by NM, 14-May-1993.) |
| Ref | Expression |
|---|---|
| bitr3d.1 |
|
| bitr3d.2 |
|
| Ref | Expression |
|---|---|
| bitr3d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bitr3d.1 |
. . 3
| |
| 2 | 1 | bicomd 213 |
. 2
|
| 3 | bitr3d.2 |
. 2
| |
| 4 | 2, 3 | bitrd 268 |
1
|
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