谓词公式(?x)P(x,y)∧(?x)(Q(x,z)?(?x)(?y)R(x,y,z))中量词?x的辖域是( )A、(Q(x,z)?(?x)(?y)R(x,y,z))B、Q(x,z),R(x,y,z)C、Q(x,z)?(?y)R(x,y,z)D、Q(x,z)
谓词公式(?x)P(x,y)∧(?x)(Q(x,z)?(?x)(?y)R(x,y,z))中量词?x的辖域是( )
A、(Q(x,z)?(?x)(?y)R(x,y,z))
B、Q(x,z),R(x,y,z)
C、Q(x,z)?(?y)R(x,y,z)
D、Q(x,z)
发布时间：2025-07-15 12:36:50
