Resources

  1. forall x: Calgary textbook Fall 2023 edition, direct link to the PDF
  2. forall x: Calgary textbook project homepage, including links to alternative versions, like an accessible version designed for dyslexics and versions more suitable for printing, and other things
  3. forall x: Calgary solutions booklet

Truth tables

  1. An easy-to-use truth-table generator by Michael Rieppel

Natural deduction

  1. Natural deduction proof editor and checker associated with our textbook
  2. Mark Jago’s instructional YouTube videos

Logic topics in the SEP

There are a lot of pages at the Stanford Encyclopedia of Philosophy on logic, but here are a few interesting ones:

Logical puzzles

Logic topics

Some alternative logics