On Wed, Apr 27, 2011 at 4:54 AM, IVP wrote: > There are plenty of "facts". What about cause and effect for > example ? > What specifically? The concept "cause and effect" is too vague. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .