On Wed, Mar 20, 2013 at 12:22 PM, Bruno Marchal <[email protected]> wrote:
> >> If when X happens Y always happens AND when X doesn't happen Y never > happens then we can say with great confidence that X causes Y because > that's what the word "causes" means. > > > Does this not imply that X causes Y if and only if Y causes X? > The "if-then" operation as well as the very word "causes" implies a direction to time. If X then Y AND if not X then not Y then X causes Y. We could get into the question of why time seems to have a preferred direction if you like. John K Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
