Re: STACK: where the question answer is a set. by Florian Hanisch - Saturday, 4 November 2023, 2:36 AM Number of replies: 0 Hi, I think you have at least a typo somewhere as the error message is mentioning "setdiffence(...)" rather than "setdifference(...)". Maybe this already fixes the problem? Best, Florian Average of ratings: - Permalink Show parent Reply