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Question: Variable's hidden evaluation

Question:Variable's hidden evaluation

Christopher2222 5785 Maple
level
February 27 2013
0

Suppose one had 2 levels of evaluation and you only wanted to go back 1 level to uncover it's original components.  That would be no problem if nothing was cleared, but very unfortunate if it did. 

example,

a:=5*x^2-3*y^3:

b:=3*x^2+10*y^3:

c:=a+b
               


In this case, it is somewhat easy to see if the screen was erased to recover that c was equal to a+b indirectly.

It would actually be nice if we could call c and somehow get the underlying equation a+b

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