Thu 15 Apr, 2010 02:55 pm - [QUOTE=Horace;77232]A sentence "a" is tautologically equivalent to a sentence "b" if and only if the sentence "a if and only if b" is a tautology...
So I have to say... (view)
Thu 15 Apr, 2010 02:46 pm - Hello everyone.
The only reason why I am posting here is because I am required. I look forward to some enliving and enlightening discussion, primarily in the logic section of the forum. (view)
