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Suppose we had a rule 6 situation where B goes to A and C goes to A, but B also goes to D and E goes to C. What happens if there are other pieces in the chain (for example, the D and E) when you take the contrapositive of the rule 6 group (A, B, C)? Do you also take the contrapositive of those? Like basically taking the contrapositive of the whole entire thing?
#help Im confused. Didn't we say a way to disprove causation is that B causes A instead of A causes B? Because correlation does not necessarily imply causation, so why is A incorrect?