Find a counterexample for the statement. if the name of the month begins with a j, then it is a summer month

January

Step-by-step explanation:

A counterexample is something that proves the statement false.

January is a month that starts with J that is not a summer month.

That proves the statement false

A counterexample is an example that proves the statement wrong.

In this case, we are trying to prove that not all months that start with J are summer months. This means we need to find a month that starts with J that is also not a summer month.

is the only month that fits this criteria.  It begins with the letter J and is a winter month, which is not summer.