logic

Is It a Crock to Use Bayes’ Theorem to Measure Evidence about God? Part 1

Over at the Christian Cadre, “Metacrock” has written a post entitled, “Bayes Theorum [sic] and Probability of God: No Dice!” Metacrock makes a number of points regarding the use of Bayes’ Theorem (BT) with evidence about God’s existence. I want to comment on many of those points. It is understandable that naturalistic thinkers are uneasy … Is It a Crock to Use Bayes’ Theorem to Measure Evidence about God? Part 1

Implication vs. Entailment

In my recent post “The Perfect Goodness of God – Again” I used conditional derivation to prove a conditional statement, and took that to be sufficient to prove that the antecedent of the conditional statement entailed the consequent. Then I had second thoughts about that approach to proving an entailment. Penance for my possible sin … Implication vs. Entailment

How the Distinction between Deductive vs. Inductive Arguments Can Mask Uncertainty

Everyone who has taken a philosophy 101 class has learned the distinction between deductive and inductive arguments. It goes like this. Only deductive arguments may be valid; an argument is valid if and only if the truth of its premises guarantees the truth of its premises. Otherwise, the argument is invalid. If an argument is … How the Distinction between Deductive vs. Inductive Arguments Can Mask Uncertainty

The Possibility of Proving the Non-Existence of Something

In a recent blog entry, theistic philosopher William Vallicella criticizes a statement made by psychologist Paul Vitz, in which Vitz asserted that it is “intrinsically impossible” to “prove the non-existence of anything.” As Vallicelli correctly points out: “But surely there are things whose nonexistence can be proven. The nonexistence of a round square can be … The Possibility of Proving the Non-Existence of Something