{"action":"created","comment":{"url":"https://api.github.com/repos/sympy/sympy/pulls/comments/34760920","id":34760920,"diff_hunk":"@@ -1738,23 +1738,25 @@ def _intersect(self, other):\n         return self.__class__(el for el in self if el in other)\n \n     def _complement(self, other):\n-        if other is S.Reals:\n+        if isinstance(other, Interval):\n             nums = sorted(m for m in self.args if m.is_number)\n-            syms = [m for m in self.args if m.is_Symbol]\n-            # Reals cannot contain elements other than numbers and symbols.\n+            if other is S.Reals and nums != 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get this on my machine\r\n```\r\n>>> isinstance(S.Reals, Interval)\r\nTrue\r\n```\r\nis something wrong here ?","created_at":"2015-07-16T07:10:52Z","updated_at":"2015-07-16T07:10:52Z","html_url":"https://github.com/sympy/sympy/pull/9682#discussion_r34760920","pull_request_url":"https://api.github.com/repos/sympy/sympy/pulls/9682","_links":{"self":{"href":"https://api.github.com/repos/sympy/sympy/pulls/comments/34760920"},"html":{"href":"https://github.com/sympy/sympy/pull/9682#discussion_r34760920"},"pull_request":{"href":"https://api.github.com/repos/sympy/sympy/pulls/9682"}}},"pull_request":{"url":"https://api.github.com/repos/sympy/sympy/pulls/9682","id":40017806,"html_url":"https://github.com/sympy/sympy/pull/9682","diff_url":"https://github.com/sympy/sympy/pull/9682.diff","patch_url":"https://github.com/sympy/sympy/pull/9682.patch","issue_url":"https://api.github.com/repos/sympy/sympy/issues/9682","number":9682,"state":"open","locked":false,"title":"`Interval - FiniteSet(x)` is now returned unevaluated","user":{"login":"gxyd","id":7712241,"avatar_url":"https://avatars.githubusercontent.com/u/7712241?v=3","gravatar_id":"","url":"https://api.github.com/users/gxyd","html_url":"https://github.com/gxyd","followers_url":"https://api.github.com/users/gxyd/followers","following_url":"https://api.github.com/users/gxyd/following{/other_user}","gists_url":"https://api.github.com/users/gxyd/gists{/gist_id}","starred_url":"https://api.github.com/users/gxyd/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gxyd/subscriptions","organizations_url":"https://api.github.com/users/gxyd/orgs","repos_url":"https://api.github.com/users/gxyd/repos","events_url":"https://api.github.com/users/gxyd/events{/privacy}","received_events_url":"https://api.github.com/users/gxyd/received_events","type":"User","site_admin":false},"body":"Now the Complement for the `Interval, FiniteSet` works correctly\r\n\r\n@hargup  , @aktech  please have a 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