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P[x∣y]=P(xy)P(y) P[x∣y]= P(y) P(xy) ?
P[xy]=P[x∣y]P[y]=P[y∣x]P[x] P[xy]=P[x∣y]P[y]=P[y∣x]P[x]
P[x∣y]=P(x)P[y∣x]P(y) P[x∣y]= P(y) P(x)P[y∣x] ?
?x∈X,y∈Y,P(xy)=P(x)P(y),P(x)=P[x∣y] ?x∈X,y∈Y,P(xy)=P(x)P(y),P(x)=P[x∣y]
P(x)P(x)
P[x∣y]P[x∣y]
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