In this post, we are going to examine the structure and truth table of the conditional statements or if-then statements. If-then statements are used often in mathematical proofs as well as real-life conversations. But before that, let us understand what proposition means.

A **proposition** is a declarative sentence that is either True (T) or false (F) but not both. If-then statements are composed of two propositions.

Let us consider the following statement by a father to his son.

“If you get an *A* in Calculus, then I’ll buy you a laptop.”

We can split this statement into two propositions *p* and *q* as follows. Continue reading…