Originally Posted by Chip

In Rucker's whimsical essay mentioned earlier, hypothetically - the point is, if everything, including all frames of reference, all time frames, all reality including the arrow of the second law of thermodynamics and everything else runs "backwards" relative to how it feels now, including all of us and every cause and effect, everywhere, you'd have no notion as to which way time was flowing. Subjectively, "forward" and "backward" would be equally logical times in all frames, and indistinguishable.