Richard_Kennaway comments on The Bias You Didn’t Expect

[Richard_Kennaway]

I believe brazil84 is describing this:

P(X | C & (X v Y)) > P(X | X v Y)
P(Y | C & (X v Y)) < P(Y | X v Y)

while you are describing this:

P(X | C) < P(X)
P(Y | C) < P(Y)

All four of these statements can be true.

[TheOtherDave]

(nods)
See also alejandro1′s sibling comment and my reply.