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About this quote

What does it mean?
A standard opening in mathematics to define a variable for a problem.
In plain terms
He set up a simple math rule.
What can you take from it?
Start problems by defining your terms.

Where it applies

  • writing proofs
  • teaching math
  • coding

Putting it to work

  • define variables early
  • clarify assumptions

Questions to consider

  • How do you start complex tasks?
  • Why define terms clearly?

Another view

It is too specific to math to apply broadly.

More from Paul Erdos

  1. Another roof, another proof.

    Permalink to quote #10
  2. I hope we'll be able to solve these problems before we leave. And when I say 'before we leave', I mean 'before we die'.

    Permalink to quote #12
  3. My brain is open.

    Permalink to quote #9

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