All posts by Alan Whistler

Logic, reason and pseudscientific nonsense

Logic, reason and pseudscientific nonsense

Originally published on www.answers-in-reason.com as Logic, reason and pseudscience

The tripartite definition of knowledge states that propositional knowledge , i.e. knowledge that p , has three individually necessary and jointly sufficient conditions: justification, truth and belief. In short, propositional knowledge is justified true belief. The belief condition requires that anyone who knows that p believe that p. The truth condition requires that any known proposition be true. And the justification condition requires that any known proposition be adequately justified, warranted or evidentially supported.

 

Reason

The power of the mind to think, understand, and form judgements logically.

I guess we should define logic and a few other terms also

Logic

Reasoning conducted or assessed according to strict principles of validity. Check or prove the validity or accuracy of,

“all analytical methods should be validated in respect of accuracy”

demonstrate or support the truth or value of.

Truth

That which is true or in accordance with fact or reality.

 Fact

A thing that is known or proved to be true.

Following through the above list of definitions to reason we need facts, which have been validated as such to show they are true. We have seen historically how a good premise can still present a faulty conclusion. For instance Aristotle concluded that the testicles were weights attached to the voice box because when a man’s testicles dropped his voice deepened.  This is obviously not the case which has been verified by biological experimentation which has shown this factually not to be true. Continue reading Logic, reason and pseudscientific nonsense