Let D={(x,y) R2|2+y2 ...
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Let D={(x,y) R2|2+y2 <1} be the disk of radius 1 in R². Prove, by contradiction, that there do not exist sets A, BCR such that D=Ax B. Let E be a set and let HC E. Define the relation . on the power set of E. P(E). Let D={(x,y) R2|2+y2 <1} be the disk of radius 1 in R². Prove, by contradiction, that there do not exist sets A, BCR such that D=Ax B. Let E be a set and let HC E. Define the relation . on the power set of E. P(E).
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