Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012) (Proof shortened by Wolf Lammen, 23-Jun-2022)
Ref | Expression | ||
---|---|---|---|
Assertion | simprr3 | ⊢ ( ( 𝜏 ∧ ( 𝜃 ∧ ( 𝜑 ∧ 𝜓 ∧ 𝜒 ) ) ) → 𝜒 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp3 | ⊢ ( ( 𝜑 ∧ 𝜓 ∧ 𝜒 ) → 𝜒 ) | |
2 | 1 | ad2antll | ⊢ ( ( 𝜏 ∧ ( 𝜃 ∧ ( 𝜑 ∧ 𝜓 ∧ 𝜒 ) ) ) → 𝜒 ) |