Description: A syllogism combined with a modus ponens inference. (Contributed by Alan Sare, 25-Jul-2011)
Ref | Expression | ||
---|---|---|---|
Hypotheses | mpisyl.1 | |
|
mpisyl.2 | |
||
mpisyl.3 | |
||
Assertion | mpisyl | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpisyl.1 | |
|
2 | mpisyl.2 | |
|
3 | mpisyl.3 | |
|
4 | 2 3 | mpi | |
5 | 1 4 | syl | |