[isabelle-dev] Abstract specification for gcd and lcm – Call for volunteers
florian.haftmann at informatik.tu-muenchen.de
Fri Jul 10 21:12:02 CEST 2015
the first time in Isabelle repository a usable and reasonable abstract
specification of gcd and lcm came to light.
Interested volunteers are welcome to go ahead and
* generalize more properties from nat and int to abstract
specifications, from theories
* identity duplicates by branding them accordingly:
lemmas foo_nat = foo [where ?'a = nat]
lemma foo_nat "…" by (fact foo)
* purging duplicates from he distribution and the AFP, building a
corresponding NEWs entry.
After this clarification the next step can be envisaged: a generic
specification of an euclidean ring (with euclidean division and
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