Meaning of the Fundamental Counting Principle In English

• 0 the rule that says that if there are x ways in which one thing can be done, and y ways in which another thing can then be done, then there are x × y ways in which the two things can be done one after the other

• 1 a rule that says if there are x ways in which one thing can be done, and y ways in which another thing can then be done, then there are x×y ways in which the two things can be done one after the other