forall x: Calgary. An Introduction to Formal Logic
P. D. Magnus Tim Button Robert Trueman Richard Zach
Fall 2023 (2023-09-18)
With contributions by J. Robert Loftis and Aaron Thomas-Bolduc
This book is based on forallx: Cambridge, by Tim Button (University College London), used under a CC BY 4.0 license, which is based in turn on forallx, by P.D. Magnus (University at Albany, State University of New York), used under a CC BY 4.0 license, and was remixed, revised, & expanded by Aaron Thomas-Bolduc & Richard Zach (University of Calgary). It includes additional material from forallx by P. D. Magnus and Metatheory by Tim Button, used under a CC BY 4.0 license, from forallx: Lorain County Remix, by Cathal Woods and J. Robert Loftis, and from A Modal Logic Primer by Robert Trueman, used with permission.
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The preparation of this textbook was made possible by a grant from the Taylor Institute for Teaching and Learning.