[isabelle-dev] Frag / Poly_Mapping

Lawrence Paulson lp15 at cam.ac.uk
Sun Sep 23 20:59:42 CEST 2018

Attached is a port of the HOL Light “frag” library (free Abelian groups) built upon Poly_Mapping. It’s a mess, especially with the combination of frag and Poly_Mapping names. Some of it clearly could be added to Poly_Mapping, maybe all of it. But it needs to be rationalised. 

Comments / advice?


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