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April 26th, 2018, 01:36 AM   #1
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set/function

What are the differences between set and function?

Last edited by skipjack; April 26th, 2018 at 10:23 AM.
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April 26th, 2018, 10:25 AM   #2
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A function is a particular type of set.
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April 27th, 2018, 04:31 AM   #3
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Precisely, a "function from set A to set B" is a subset of the set of all pairs (a, b) where a is from set A and b is from set B.
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April 27th, 2018, 06:43 AM   #4
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That would be a relation, not necessarily a function.
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April 27th, 2018, 11:44 AM   #5
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Oops! Yes, I forgot the "uniqueness" condition.
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