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https://mathoverflow.net/posts/510590/timeline Timeline for Who coined the term "clopen"? - MathOverflow term clopen mathoverflowtimelinecoined https://mathoverflow.net/questions/510590/who-coined-the-term-clopen gn.general topology - Who coined the term "clopen"? - MathOverflow I was not sure whether this question is appropriate for this forum, but a quick search suggests that there is at least some precedent for asking about the... gn general topologyterm clopen mathoverflowcoined https://mathoverflow.net/questions/510590/who-coined-the-term-clopen?noredirect=1 gn.general topology - Who coined the term "clopen"? - MathOverflow I was not sure whether this question is appropriate for this forum, but a quick search suggests that there is at least some precedent for asking about the... gn general topologyterm clopen mathoverflowcoined https://mathoverflow.net/posts/510593/revisions Revisions to Who coined the term "clopen"? - MathOverflow term clopen mathoverflowrevisionscoined https://mathoverflow.net/posts/510660/timeline Timeline for answer to Who coined the term "clopen"? by Timothy Chow - MathOverflow term clopentimelineanswercoinedtimothy