Tuesday

July 22, 2014

July 22, 2014

Posted by **Sherry** on Tuesday, September 2, 2008 at 12:29am.

a) [rational numbers]

b) [integers]

c) [positive number]

d) non-negative numbers]

That is a question from my text. Can someone please explain this to me? My teacher said something about 44 examples (because there are 11 field axioms).

- Algebra II -
**David Q**, Tuesday, September 2, 2008 at 2:25pmEleven seems rather a lot: according to Wolfram MathWorld (I can't post the address, it seems, but just google "field axioms" to find it) there are five: Associativity, Commutativity, Distributivity, Identity and Inverses. Algebraic definitions of these are given there.

The same site supplies this information about fields: "A field is any set of elements that satisfies the field axioms for both addition and multiplication and is a commutative division algebra". Can you apply these to your four sets?

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