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Related theorems Unicode version |
| Description: Syllogism inference with commuted antecedents. |
| Ref | Expression |
|---|---|
| syl5com.2 |
|
| syl5com.1 |
|
| Ref | Expression |
|---|---|
| syl5com |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl5com.1 |
. . 3
| |
| 2 | 1 | a1d 15 |
. 2
|
| 3 | syl5com.2 |
. 2
| |
| 4 | 2, 3 | sylcom 62 |
1
|