I decided to rewrite my theory of funcoids and reloids with funcoids and reloids defined between arbitrary sets instead of current theory which describes funcoids and reloids on a fixed set.

That way I will make funcoids and reloids into categories with objects being (small) sets and morphisms being funcoids and reloids.

That will make the manuscript a little longer, but that’s required for describing relations (such as Rudin-Keisler ordering and Rudin-Keisler equivalence and their generalizations) between filters and ultrafilters on different sets.

2 thoughts on “Funcoids and reloids between arbitrary sets

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