Description: Simplification of a conjunction. (Contributed by Mario Carneiro, 4-Jan-2017) (Proof shortened by Wolf Lammen, 24-May-2022)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | simp-10r | |- ( ( ( ( ( ( ( ( ( ( ( ph /\ ps ) /\ ch ) /\ th ) /\ ta ) /\ et ) /\ ze ) /\ si ) /\ rh ) /\ mu ) /\ la ) -> ps ) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | id | |- ( ps -> ps ) | |
| 2 | 1 | ad10antlr | |- ( ( ( ( ( ( ( ( ( ( ( ph /\ ps ) /\ ch ) /\ th ) /\ ta ) /\ et ) /\ ze ) /\ si ) /\ rh ) /\ mu ) /\ la ) -> ps ) |