ԂOP
ԉHw()
`≺`
Ԓˉw

ԂOQ
ԉHw()
`≺`
w(k)

ԂOR
ԉHw()
`≺`
w

ԂWP
u≺
`
Ԓˉw

ԂWQ
u≺
`
w(k)