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| Mirrors > Home > ILE Home > Th. List > 3syl | Unicode version | ||
| Description: Inference chaining two syllogisms. (Contributed by NM, 5-Aug-1993.) |
| Ref | Expression |
|---|---|
| 3syl.1 |
|
| 3syl.2 |
|
| 3syl.3 |
|
| Ref | Expression |
|---|---|
| 3syl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3syl.1 |
. . 3
| |
| 2 | 3syl.2 |
. . 3
| |
| 3 | 1, 2 | syl 14 |
. 2
|
| 4 | 3syl.3 |
. 2
| |
| 5 | 3, 4 | syl 14 |
1
|
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