Merge pull request #157 from 4tXJ7f/fix_iterator
authorAndrew Reynolds <andrew.j.reynolds@gmail.com>
Mon, 15 May 2017 15:56:22 +0000 (10:56 -0500)
committerGitHub <noreply@github.com>
Mon, 15 May 2017 15:56:22 +0000 (10:56 -0500)
Fix condition in upwards closure check for sets


Trivial merge