Description: Modus ponens combined with generalization. (Contributed by NM, 24-May-1994)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | mpg.1 | |- ( A. x ph -> ps ) |
|
| mpg.2 | |- ph |
||
| Assertion | mpg | |- ps |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpg.1 | |- ( A. x ph -> ps ) |
|
| 2 | mpg.2 | |- ph |
|
| 3 | 2 | ax-gen | |- A. x ph |
| 4 | 3 1 | ax-mp | |- ps |