Description: Conjunction form of e10 . (Contributed by Alan Sare, 15-Jun-2011) (Proof modification is discouraged.) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | e10an.1 | |- (. ph ->. ps ). | |
| e10an.2 | |- ch | ||
| e10an.3 | |- ( ( ps /\ ch ) -> th ) | ||
| Assertion | e10an | |- (. ph ->. th ). | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | e10an.1 | |- (. ph ->. ps ). | |
| 2 | e10an.2 | |- ch | |
| 3 | e10an.3 | |- ( ( ps /\ ch ) -> th ) | |
| 4 | 3 | ex | |- ( ps -> ( ch -> th ) ) | 
| 5 | 1 2 4 | e10 | |- (. ph ->. th ). |