Logic Lectures
Traditional Logic for Modern Life
Video lectures keyed to The Reasonable Person: Traditional Logic for Modern Life by Mark Grannis — free for students, home learners, and the simply curious.
Lectures by Chapter
Introduction · Part 1: Finding Clarity · Part 2: Expressing Truth · Part 3: Expanding Knowledge · Part 4: Detecting Fallacies
The Textbook
The Reasonable Person
Student Edition
Available on Amazon
Teacher Supplement
to The Reasonable Person
Available on Amazon
“An outstanding introduction to logic as the art and science of sound reasoning.”
Gregory Kalscheur, S.J., Dean, Morrissey College of Arts & Sciences, Boston College
About the Instructor
Mark Grannis is a husband, father, teacher, and lawyer in suburban Maryland. In 2019, after 30 years of practicing law in Los Angeles and Washington, D.C., he began teaching at The Heights School in Potomac, Maryland, where he teaches logic and history. He is the author of The Reasonable Person: Traditional Logic for Modern Life and its Teacher Supplement. He also shares daily quotations from his classroom on his Substack, Tips While Shaving.
Logic Lectures 