By trying to prove the statement wrong by looking for counter-examples and
flaws in the statement (ie. non-sequiturs), and comparing with other
statements.
>From what you said about "fire of criticism" it seems to me you are
>suggesting that in PCR "testing" is criticizing. As if we could learn
about
>reality by only talking about it.
Some things we can learn about by discussing, such as the nature of logic,
truth, statements, etc., since such topics consist of purely mental
constructs. We don't need to use a lab
--David R. .