Re: Logic statements (was RE: What is understanding?)

[James McLean <jmclean@CHEM.UCSD.EDU>]

Cary Busby wrote:
> Conditional (Rephrased): If I cannot create it, I do not understand it.
> Converse:  If I do not understand it, I cannot create it.
> Inverse:  If I do understand it, I can create it.
> Contrapositive:  If I can create it, I do understand it.
I think you have the Inverse and the Contrapositive reversed.  I always
have to set myself straight by considering a more obvious conditional,
such as "If it is not a mammal, then it is not a cow."

--
--James McLean
jmclean@chem.ucsd.edu
post doc, UC San Diego, Chemistry
moving to SUNY Geneseo Physics this fall