Tobias
On 16/08/2017 17:04, Peter Lammich wrote:
However, sort_by takes a function mapping the elements into a linear order, which is less general than allowing arbitrary (preorder?) relations.Peter -------- Original Message --------Subject: Re: [isabelle-dev] [Spam] Fwd: added sorted_wrt to List; added Data_Structures/Binomial_Heap.thyFrom: Makarius To: Tobias Nipkow ,isabelle-dev@mailbroy.informatik.tu-muenchen.de CC: On 16/08/17 16:10, Tobias Nipkow wrote: > > Concerning "sorted_by" vs "sorted_wrt": the latter seems closer to > informal usage. But if many people cry out for "by" we could change that. In Isabelle/ML we used to have "sort_wrt" for some decades, but I have changed that recently into into "sort_by" to make it coincide with the terminology of the Scala library. See http://isabelle.in.tum.de/repos/isabelle/rev/610794dff23c Makarius _______________________________________________ isabelle-dev mailing list isabelle-...@in.tum.de https://mailmanbroy.informatik.tu-muenchen.de/mailman/listinfo/isabelle-dev
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