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A comment on If correlation doesn’t imply causation, then what does? (2012).

Re:If correlation doesn’t imply causation, then what does? (... by memla on Thursday July 11, 2013 @11:54PM (#6030826)
No amount of correlation seems to imply causation. Suppose there is some event X that always causes two other events, Y and Z. Let's also say that Y and Z are exclusively caused by X. Then Y has a 100% perfect correlation with Z, but ex hypothesi it is not caused by it.
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