I'm very suspicious of the other reviews. The numbering of solutions is wrong in some of the chapters, which can be a source of considerable (if not temporary) confusion. It's really the publishers fault; at nearly $60, can't Taylor & Francis afford to have quality graduate students check the printers' proof?



In any case, I suspect at least some Goodreads reviewers haven't done all the exercises 🤓



EDIT



I should really give this four stars, since, and despite the publications regrettable typos, a te

I'm very suspicious of the other reviews. The numbering of solutions is wrong in some of the chapters, which can be a source of considerable (if not temporary) confusion. It's really the publishers fault; at nearly $60, can't Taylor & Francis afford to have quality graduate students check the printers' proof?



In any case, I suspect at least some Goodreads reviewers haven't done all the exercises 🤓



EDIT



I should really give this four stars, since, and despite the publications regrettable typos, a teacher as pleasant as Smullyan really is something special. Even readers well-studied in logic and/or mathematics should get a thrill from how wonderfully (and slyly) Smullyan sets the stage for Skolem-Lowenheim and other gems.