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V d b c. A B C D. ¬(B → A) ∧ (C → D) ≠ (A ∧ B ∧ C ∧ ¬D).. C the b. Математика (a+b)*(c+d).
A B C D. ¬(B → A) ∧ (C → D) ≠ (A ∧ B ∧ C ∧ ¬D).. C the b. Математика (a+b)*(c+d).