Logic 101 · Series · Uncategorized

Parodies and Counterexamples

In a previous post we looked at reductio ad absurdum arguments. These arguments allow us to assume a premise is true, derive a contradiction, and then assert that our original assumption was false. In that post I shared an extended example of St. Anselm’s famous ontological argument formulated as a reductio ad absurdum argument. Assuming… Continue reading Parodies and Counterexamples

Logic 101 · Series

Introduction to Logical Symbols

The first set of tools that we need to reconstruct, raise, and evaluate deductive arguments are logical symbols. A good deductive argument must follow the Structural Principle of the Code of Intellectual Conduct, which says that deductive arguments should adhere to rules of argumentation that produce formally valid, sound arguments. That principle is true when… Continue reading Introduction to Logical Symbols

Logic 101 · Series · Uncategorized

An Introduction to Logical Fallacies

If you’ve been following this logic series, you already have a lot of the essential knowledge that you need to understand what fallacies are and how to avoid them. I’ve already introduced the most important concepts in the post entitled “The Qualities of Good Arguments.” Calling this post an “introduction” to logical fallacies is somewhat superfluous… Continue reading An Introduction to Logical Fallacies