forall x: Calgary

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.

This work is licensed under a Creative Commons Attribution 4.0 license. You are free to copy and redistribute the material in any medium or format, and remix, transform, and build upon the material for any purpose, even commercially, under the following terms:

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  You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

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  You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

The LATEX source for this book is available on Github at github.com/rzach/forallx-yyc/ and in PDF and HTML format at forallx.openlogicproject.org. This version is revision 034ff3d (2024-04-27).

The HTML format is produced using BookML by Vincenzo Mantova and LATEXML by Bruce Miller and Deyan Ginev.