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1. • CommentRowNumber1.
   • CommentAuthorTobyBartels
   • CommentTimeJan 13th 2017
   • PermaLink
   Author: TobyBartels
   Format: MarkdownItex[[contrapositive]] now exists. It doesn\'t say much (unless you were unsure which versions of this rule are intuitionistically valid, in which case, you can take a look). But there was a link to it, so I made it.

   contrapositive now exists. It doesn't say much (unless you were unsure which versions of this rule are intuitionistically valid, in which case, you can take a look). But there was a link to it, so I made it.