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Related theorems Unicode version |
| Description: A syllogism rule of inference. The second premise is used to replace the second antecedent of the first premise. |
| Ref | Expression |
|---|---|
| syl5.1 |
|
| syl5.2 |
|
| Ref | Expression |
|---|---|
| syl5 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl5.1 |
. 2
| |
| 2 | syl5.2 |
. . 3
| |
| 3 | 2 | imim1i 16 |
. 2
|
| 4 | 1, 3 | syl 10 |
1
|