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| Mirrors > Home > ILE Home > Th. List > biimtrdi | Unicode version | ||
| Description: A mixed syllogism inference. (Contributed by NM, 2-Jan-1994.) |
| Ref | Expression |
|---|---|
| biimtrdi.1 |
|
| biimtrdi.2 |
|
| Ref | Expression |
|---|---|
| biimtrdi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | biimtrdi.1 |
. . 3
| |
| 2 | 1 | biimpd 144 |
. 2
|
| 3 | biimtrdi.2 |
. 2
| |
| 4 | 2, 3 | syl6 33 |
1
|
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