Question: [12] Show that given x, y, and C(x, y), one can compute C(x) and C(y) up to an additive logarithmic term O(log C(x, y)). Comments.
[12] Show that given x, y, and C(x, y), one can compute C(x)
and C(y) up to an additive logarithmic term O(log C(x, y)).
Comments. Hint: use symmetry of information and upper semicomputability. Suggested by L. Fortnow.
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