Ways Things Can't Be

“Ways Things Can't Be,” Notre Dame Journal of Formal Logic, 38 (1997) 583–596 (published in 1998).

 download pdf

I show that the believer in possible worlds can have impossible worlds for free, as classes of possible worlds. These do exactly the job of ways that things cannot be, and they model the simple paraconsistent logic LP. This motivates a semantics for paraconsistent logic that even a classical logician can love.

Do you like this, or do you have a comment? Then please  share or reply on Twitter, or  email me.

← Extending Intuitionistic Logic with Subtraction | Writing Archive | Logical Laws →

about

I’m Greg Restall, and this is my personal website. I teach philosophy and logic as Professor of Philosophy at the University of Melbourne. ¶ Start at the home page of this site—a compendium of recent additions around here—and go from there to learn more about who I am and what I do. ¶ This is my personal site on the web. Nothing here is in any way endorsed by the University of Melbourne.

elsewhere

subscribe

To receive updates from this site, you can subscribe to the  RSS feed of all updates to the site in an RSS feed reader, or follow me on Twitter at  @consequently, where I’ll update you if anything is posted.

search