Description: e02an without virtual deductions. (Contributed by Alan Sare, 8-Jul-2011) (Proof modification is discouraged.) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypotheses | ee02an.1 | |- ph |
|
ee02an.2 | |- ( ps -> ( ch -> th ) ) |
||
ee02an.3 | |- ( ( ph /\ th ) -> ta ) |
||
Assertion | ee02an | |- ( ps -> ( ch -> ta ) ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ee02an.1 | |- ph |
|
2 | ee02an.2 | |- ( ps -> ( ch -> th ) ) |
|
3 | ee02an.3 | |- ( ( ph /\ th ) -> ta ) |
|
4 | 3 | ex | |- ( ph -> ( th -> ta ) ) |
5 | 1 2 4 | mpsylsyld | |- ( ps -> ( ch -> ta ) ) |