Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | simp3r3 | ⊢ ( ( 𝜏 ∧ 𝜂 ∧ ( 𝜃 ∧ ( 𝜑 ∧ 𝜓 ∧ 𝜒 ) ) ) → 𝜒 ) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | simpr3 | ⊢ ( ( 𝜃 ∧ ( 𝜑 ∧ 𝜓 ∧ 𝜒 ) ) → 𝜒 ) | |
| 2 | 1 | 3ad2ant3 | ⊢ ( ( 𝜏 ∧ 𝜂 ∧ ( 𝜃 ∧ ( 𝜑 ∧ 𝜓 ∧ 𝜒 ) ) ) → 𝜒 ) |