请教一道离散数学题
Findacommonuniverseforvariablesx,y,z,wforwhichthestatement∀x∀y∀z...
Find a common universe for variables x, y, z, w for which the statement
∀x∀y∀z∃w ((w≠x)∧(w≠ y)∧(w≠z))
is true and another common universe for these variables in which it is
false. 展开
∀x∀y∀z∃w ((w≠x)∧(w≠ y)∧(w≠z))
is true and another common universe for these variables in which it is
false. 展开
展开全部
When the common universe is R, the statement is true.
When the common universe is {1,2,3}, it is false.
When the common universe is {1,2,3}, it is false.
本回答由提问者推荐
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
