Hi Andreas, > I noticed that the new printing interacts strangely with set > comprehensions. In Isabelle/92858a52e45b, "{(x, y). P x y}" prints as > "Collect (uncurry P)" which I find rather hard to read. Are you aware of > this effect and could you please restore the former situation?
this is on my to-do list, together with other binder-related issues like "{p. case p of (x, y) => P x y}". Florian > > Best, > Andreas > > On 10/09/15 12:02, Florian Haftmann wrote: >> * Combinator to represent case distinction on products is named >> "uncurry", with "split" and "prod_case" retained as input abbreviations. >> >> Partially applied occurences of "uncurry" with eta-contracted body >> terms are not printed with special syntax, to provide a compact >> notation and getting rid of a special-case print translation. >> >> Hence, the "uncurry"-expressions are printed the following way: >> >> a) fully applied "uncurry f p": explicit case-expression; >> >> b) partially applied with explicit double lambda abstraction in >> the body term "uncurry (%a b. t [a, b])": explicit paired abstraction; >> >> c) partially applied with eta-contracted body term "uncurry f": >> no special syntax, plain "uncurry" combinator. >> This aims for maximum readability in a given subterm. >> INCOMPATIBILITY. >> >> This refers to e6b1236f9b3d. >> >> This schema emerged after some experimentation and seems to be a >> convenient compromise. The longer perspective is to overcome the >> case_prod/split schism eventually and consolidate theorem names >> accordingly. >> >> The next step after this initial cleanup is to tackle the »let (a, b) = >> … in …« issue. >> >> Florian >> >> >> >> _______________________________________________ >> isabelle-dev mailing list >> isabelle-...@in.tum.de >> https://mailmanbroy.informatik.tu-muenchen.de/mailman/listinfo/isabelle-dev >> >> -- PGP available: http://home.informatik.tu-muenchen.de/haftmann/pgp/florian_haftmann_at_informatik_tu_muenchen_de
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