Is A=A useful? Does logic come in handy? Is math a magnificent symbolic system with which to comprehend what's around us? And is math based on A=A? Y… - Howard Bloom

The first two rules of science are: 1. The truth at any price including the price of your life. 2. Look at things right under your nose as if you've never seen them before, then proceed from there.

If A is A, a philosopher should equal a philosopher. But that's not the way the cosmos works. Similar things set themselves apart from one another. ...What's more, opposites are joined at the hip. Einstein says that most creative acts come from opposition. They come from pitting yourself against someone with another point of view. They come from the law of differentiation. And that was true of Aristotle and his law of identity, his law of noncontradiction, his construction for the base for A is A. Aristotle came up with his idea... to fling a finger in the face of another philosopher <nowiki>[</nowiki>Heraclitus<nowiki>]</nowiki>...

The real core of communication is what information theory's founder, Claude Shannon calls "meaning." And meaning is not covered in information theory.