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Omni-MATH / Does there exist a function scolon mathbbQ rightarrow -1,1 such that if x and y are distinct rational numbers satisfying xy=1 or x+y∈0,1, then s(x)s(y)=−1? Justify your answe… · Discussion

Discussing Does there exist a function scolon mathbb{Q} rightarrow {-1,1} such that if x and y are distinct rational numbers satisfying xy=1 or x+y∈{0,1}, then s(x)s(y)=−1? Justify your answe… · Omni-MATH

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