題組內容
5. Please reply the following problems related to binary relation:
(2) Let A be a set with 10 distinct elements.
(c) How many binary relations on A are antisymmetric? (4%)
5. Please reply the following problems related to binary relation:
(2) Let A be a set with 10 distinct elements.
(c) How many binary relations on A are antisymmetric? (4%)