Alex Marcus
LSAT Codebreaker 
Animal lover
(510) 847-9711

From the Internet encyclopedia of philosophy: “A deductive argument is said to be *valid* if and only if it takes a form that makes it...

The following should be viewed as a supplement to and NOT substitute for in-depth LSAT prep. Book recommendations (in alphabet order):...

The following is based on my 20+ years of experience working with LSAT and GMAT students and my long interest in neuroscience. I suppose...

Please note that this article discusses formal logic concepts, such as "conditional statements" and "the contra-positive". A full...