表达式 ∀x(P(x,y)∨Q(z))∧∃y(R(x,y)→∀zQ(z)) 中 ∀x 的辖域是 ( )
A、P(x,y)∨Q(z)
B、P(x,y)∨Q(z))∧∃y(R(x,y)→∀zQ(z)
C、P(x,y)
D、P(x,y)∧R(x,y)
发布时间:2024-06-25 14:29:38
A、P(x,y)∨Q(z)
B、P(x,y)∨Q(z))∧∃y(R(x,y)→∀zQ(z)
C、P(x,y)
D、P(x,y)∧R(x,y)