How To Solve IT - Four Principles

Four Principles

How to Solve It suggests the following steps when solving a mathematical problem:

  1. First, you have to understand the problem.
  2. After understanding, then make a plan.
  3. Carry out the plan.
  4. Look back on your work. How could it be better?

If this technique fails, Pólya advises: "If you can't solve a problem, then there is an easier problem you can solve: find it." Or: "If you cannot solve the proposed problem, try to solve first some related problem. Could you imagine a more accessible related problem?"

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Famous quotes containing the word principles:

    “With our principles we seek to rule our habits with an iron hand, or to justify, honor, scold, or conceal them:Mtwo men with identical principles are likely to be seeking fundamentally different things with them.”
    —Friedrich Nietzsche (1844–1900)

    “When great changes occur in history, when great principles are involved, as a rule the majority are wrong.”
    —Eugene V. Debs (1855–1926)