Logic is a branch of philosophy that deals with reasoning. Logic is used in mathematics, computing, philosophy, culture, and more. This section covers all formal and informal logic and all sub-sets of logic.


What is the Difference Between Logic and Reason?

Reason and logic are two closely related forms of thinking involving the comparison of terms that can be studied in terms of mathematics or philosophy and can be considered together as well as apart.

The Spheres of Human Understanding

All knowledge, all human understanding, can be said to be of four types: physical (empirical), logical (reason), ethical (philosophy in-action), and metaphysical (pure philosophy).

Machines Can Think Fact

Whether or not machines can think, depends on our definition of “think.” Generally we can say, machines can think, but they think differently than humans.

Human Behavior can be Random Fact

Human behavior can be random to some extent, but most behavior is based on prior input, and thus is “deterministic” (meaning not totally random).

There is Cake! Fact

It is said that, “there is no cake”, that, “the cake is a lie”, but this isn’t true. The cake you were promised may be a lie, but there is cake.