[理工] 99中興離散
Determine which of following sets belong to
(1)partial-ordered set
(2)total-ordered set
(3)well-ordered set
a. (Z+,\) b. (Z,>=) c. (Z,>)
只知道偏序全序這些關係的定義還是不知道怎麼判斷耶@@"
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