My Math Forum > Math Term for different ways of expressing the same value?

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 March 14th, 2018, 08:13 PM #1 Newbie   Joined: Mar 2018 From: California Posts: 1 Thanks: 0 Term for different ways of expressing the same value? Is there a term for the fact that a number can be expressed in many ways, e.g., 3 can be written as (3/1)^1 and mean the same thing? Or the fact that the value of a number such as 3 can be expressed in infinite ways and still retain the same value? For instance, the value of 3 can be expressed as (2^2 - 1) or (3x3 +3)/4? Is there a formal term for these sorts of things? A morphism of some kind? Is there a formal way to express the infinite ways a single value can be expressed?
 March 14th, 2018, 08:16 PM #2 Senior Member     Joined: Sep 2015 From: USA Posts: 2,505 Thanks: 1374 I guess they could be called "equivalent expressions".
 March 15th, 2018, 03:46 AM #3 Math Team   Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 14,597 Thanks: 1038 3-0=3, 4-1=3, 5-2=3, 6-3=3, .........., n-(n-3)=3 Seems kinda useless stuff...why are you asking?

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