[理工] [離散]-邏輯
1.Let L(x,y) be the proposition function"x loves y".The domain of discourse is
the set of all living people.Write the following proposition symbolically.
e)Nobody loves everyone.
g)There is exactly one person whom everybody loves.
h)There is someone who loves no one besides himself or herself.
2.Let P(x) be the statment "students x knows logic";
Let Q(y) be the statment "class y contain a student who knows logic";
Express the following as quantifications of P(x) and Q(y).
d)Every student in every class knows logic.
e)There is at least one class with no students who know logic.
不太懂這以上兩題的各小題的解是為什麼?
可以解釋給我聽嗎
謝謝各位~
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