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seen Apr 9 '12 at 2:41

Feb
18
awarded  Supporter
Feb
18
awarded  Scholar
Feb
18
accepted Proving a 4-variable equation unsolvable
Feb
18
comment Proving a 4-variable equation unsolvable
@Lopsy: I believe you're mistaken; 128 is not half of 255.
Feb
18
awarded  Student
Feb
18
comment Proving a 4-variable equation unsolvable
How so? When c = d = 0, any mentioned equation will evaluate to 0. Thanks for the beautiful formatting by the way.
Feb
18
revised Proving a 4-variable equation unsolvable
added 25 characters in body
Feb
18
awarded  Editor
Feb
18
revised Proving a 4-variable equation unsolvable
added 200 characters in body
Feb
18
asked Proving a 4-variable equation unsolvable