Posted: May 17, 2012 8:20 pm
I read the link thommo. I've read all your links.
Free logic.
http://en.m.wikipedia.org/wiki/Free_logic#section_1
http://plato.stanford.edu/entries/logic-free/
Free logic.
http://en.m.wikipedia.org/wiki/Free_logic#section_1
http://plato.stanford.edu/entries/logic-free/