An Introduction to Formal Logic(2020) [pdf]
logicmatters.net
An Introduction to Formal Logic(2020) [pdf]
1–2 of 2 posts
Re: An Introduction to Formal Logic(2020) [pdf]
#2To the more exercise-inclined, there's this introductory game:
1–2 of 2 posts
An Introduction to Formal Logic(2020) [pdf]
logicmatters.net