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A comment on /story/38145625. Parent comment
Yeah, I just noticed:
a and b = a + b - (a or b)
Or with probability
P(a and b) = P(a) + P(b) - P(a or b)
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Yeah, I just noticed:
a and b = a + b - (a or b)
Or with probability
P(a and b) = P(a) + P(b) - P(a or b)