A Joke About Mathematicians

by William Jackson on 2011-02-14

A physicist, a biologist, and a mathematician are sitting in a street caféwatching people entering and leaving the house on the other side of the street.First they see two people entering the house. Time passes. After a while theynotice three people leaving the house. The physicist says, “The measurementwasnʼt accurate.” The biologist says, “They must have reproduced.” Themathematician says, “If one more person enters the house then it will be empty.”