Aaron had a poster presentation at last week’s ISSOTL conference in Calgary, presenting the results of our evaluation of his […]
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Natural Deduction Rules in forall x: Calgary
Prompted by a good suggestion by Richard Lawrence and support from Catrin Campbell-Moore, we’ve been working on revising the natural […]
Textbook Satisfaction Survey Results: Intro Logic Edition
As previously reported, we here at Open Logic Central have run surveys to gather some data on the relative success […]
A Fistful of Commits
I just checked in a whole bunch of changes to the part on first-order logic. Most of it is in […]
Diagrams, and a Chapter on How to do Proofs
Two major new additions: Paul Daniell has contributed a number of very nice illustrations for the “Sets” and “Functions” chapters, […]
New in Print: forall x (Summer 2017 edition), and Incompleteness and Computability
New on Amazon: the print version of the Summer 2017 edition of forall x: Calgary Remix, as well as the […]
forall x: YYC is now on Amazon (and how it got there)
Back when I described the process to publish a text on lulu.com, commenter penrodyn suggested to try CreateSpace, Amazon’s self-publishing […]
OLP at the Pacific APA/Spring ASL Meeting
The Open Logic Project will be part of the Thursday afternoon session “Inclusiveness in Logic Education” (session 7P) at the […]
New Chapters for #OpenEducationWk
We have new chapters on non-standard (and standard) models of arithmetic and on second-order logic. First drafts, so please provide […]
Proof Checker for forall x: Cambridge and Calgary
Kevin Klement has done up a prototype of his online natural deduction proof builder/checker that works with the natural deduction […]