How many colors is your painting drawn in?

What color is his shirt?

What color is your car?

How old are you?

How many times have you sung that song?

He has read thousands of books.

What floor is the library on?

How many times have you been to Japan?

Functional analysis is a branch of mathematics that studies the properties of functions in infinite-dimensional spaces.

Let's look at this truth table and understand the result of the logical expression.