D.H. Sanford, “Demonstrative inference,” “Reasoning,” and "Vacuous Truth", The Cambridge Dictionary of Philosophy, Second Edition, edited by Robert Audi
(Fall, 1999),
pp. 420, 427, Cambridge: Cambridge University Press.
(last updated on 2005/05/22)
Author's Comments: The first two are additions (p. 420, 427) to my entry on “Inference” in
the First Edition. The third (p. 427 is an “ addition to my
entry “Implication" in the First Edition.
