Упростить логическую формулу: (A ∧ B) ∧ (C ∧(C∨ A))
(A ∧ B) ∧ (C ∧ (C ∨ A)) = A·B·(C·(C+A)) = ABC(C+A) = ABCC+AABC = ABC+ABC = ABC = A ∧ B ∧ C