题目
题目

FIT1058_S1_2025 Week 5 Pre-reading Quiz

单项选择题

Suppose isPositive(X) evaluates to True when X is a positive number, and False otherwise. If X = -2, which of the following is not true about isPositive(X)?

选项
A.a. It is a predicate.
B.b. It is unary.
C.c. It is a function.
D.d. It is a proposition.
E.e. It is a constant.
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标准答案
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思路分析
We begin by listing and interpreting each option in the context of the given statement: isPositive(X) evaluates to True when X is positive, and False otherwise. With X = -2, isPositive(-2) is False. Option a: It is a predicate. A predicate is a property or relation that depends on one or more va......Login to view full explanation

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