Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | simp133 | ⊢ ( ( ( 𝜃 ∧ 𝜏 ∧ ( 𝜑 ∧ 𝜓 ∧ 𝜒 ) ) ∧ 𝜂 ∧ 𝜁 ) → 𝜒 ) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | simp33 | ⊢ ( ( 𝜃 ∧ 𝜏 ∧ ( 𝜑 ∧ 𝜓 ∧ 𝜒 ) ) → 𝜒 ) | |
| 2 | 1 | 3ad2ant1 | ⊢ ( ( ( 𝜃 ∧ 𝜏 ∧ ( 𝜑 ∧ 𝜓 ∧ 𝜒 ) ) ∧ 𝜂 ∧ 𝜁 ) → 𝜒 ) |