> "Falsifiable statements are useful, but tautologies are not.". However,
in
> PCR, such statements do not hold status as axioms, because in PCR, such
> statements can get challenged. Unlike other idea systems, the philosophy
> of PCR does not accept its own ideas as true or "the best". It's just
that
> no better idea system has been found to replace PCR. In other words, in
PCR
> we can use assumptions, but at the same time not believe them to be
> absolutely true.
> --David R.
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Can you please give me a short explanation of PCR.