Logic Gallery by David Marans

Logic Gallery, by David Marans, is a history of logic. There are 171 full-page entries, century by century, for the primary contributors to logic, from Aristotle to the present. For each, there are quotations, a bio, and several seldom-seen images. The Open Access pdf...

Define Your Terms

Post may contain affiliate links to materials I recommend. Read my full disclosure statement. “If you wish to converse with me,” said Voltaire, “define your terms.” How many a debate would have been deflated into a paragraph if the disputants had dared to define their...

Pre-Logic Textbook for Age 12 and Free Logic Books

Elsewhere we have discussed a suggested course of study for pre-logic and logic. You don’t learn to swim by jumping in the deep end first, and it is my opinion that children benefit from a progressive study of logic. Right now, I’d like to show you more details...