把下列谓词公式化成子句集: (1) ( x)( y)(P(x, y) ∧ Q(x, y)) (2) ( x)( y)(P(x, y) → Q(x, y)) (3) ( x)( y)(P(x, y) ∨( Q(x, y) → R(x, y))) (4) ( x) ( y) ( z)(P(x, y) → Q(x, y) ∨ R(x, z))
把下列谓词公式化成子句集: (1) ( x)( y)(P(x, y) ∧ Q(x, y)) (2) ( x)( y)(P(x, y) → Q(x, y)) (3) ( x)( y)(P(x, y) ∨( Q(x, y) → R(x, y))) (4) ( x) ( y) ( z)(P(x, y) → Q(x, y) ∨ R(x, z))
发布时间：2024-06-25 14:29:39
