# A calculus of the absurd

#### 2.2 General things to keep in mind

In his book "How to Solve It" the mathematician George Pólya suggests these steps for solving mathematics problems:

If you cannot solve the proposed problem, look around for an appropriate related problem:

• • work backwards

• • work forwards

• • narrow the condition

• • widen the condition

• • seek a counterexample

• • guess and test

• • divide and conquer

• • change the conceptual mode