That however does NOT mean that the bible is not true (An ad hominem (Latin for «to the man» or «to the person»), short for argumentum ad hominem, is an attempt to negate the truth of a claim by pointing out a negative characteristic or belief of the person supporting it) (religion.blogs.cnn.com)
Having neatly forestalled accusations of argumentum ad hominem, Mr. Scadden reverses Mr. Carson's transparently rhetorical offensive, focusing on Carson's irrational adherence to a failed case. (realclimate.org)