(idea) by almost_coherent Thu May 24 2001 at 16:35:53
Given a Cartesian product of two sets, A x B, an ordered pair consists of values picked from both sets.

For example if we have

  A = { 1, 2, 3 }
  B = { 4, 5, 6 }
Then the valid ordered pairs are: 
  (1,4) (1,5) (1,6)
  (2,4) (2,5) (2,6)
  (3,4) (3,5) (3,6)

I like it!

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