Let P be the proposition that "x is an element of set A", and let Q be the proposition that "x is an element of set B".

Which of the following expressions indicates that x belongs to the union of A and B?

Let P be the proposition that "x is an element of set A", and let Q be the proposition that "x is an element of set B".

Which of the following expressions indicates that x belongs to the intersection of A and B?

Suppose X is the set of all people who are enrolled in FIT1058. Let A be the proposition “Hermione is enrolled in FIT1058”.

Which of the following statements would not be equivalent to saying that “Hermione is not enrolled in FIT1058”?

Suppose P and Q are both variables with the value False.

Which of the following expressions evaluates to True?

Let P be the proposition “All pizzas should have good toppings” and Q be the proposition that “Pineapple is a good pizza topping”. How would you express in propositional logic that “All pizzas should have good toppings, but pineapple is not a good pizza topping”?

If X is the proposition “It will be sunny tomorrow” and Y is the proposition “It will be sunny the day after tomorrow”, then X \vee Y could be described as:

Which of the following is not an example of a proposition?