Logic A God-Centered Approach to the Foundation of Western Thought by VernSheridanPoythress, DrVern S. Poythress 736 Pages, Published 2013 by Crossway ISBN-13: 978-1-4335-3232-0, ISBN: 1-4335-3232-8
"This kind of stratagem is called the ad hominem fallacy. (Ad hominem is Latin for
“toward the person,” describing an attack on the person presenting the argument
rather than on the argument itself.) It is a counterfeit. What truth does it counterfeit
? It counterfeits the truth that in some situations the character of a person is
relevant to evaluating his arguments. If we know that Spencer is a charlatan and
a perpetrator of scams, ..."