[isabelle] Symmetric Difference of sets



Hi All,

I was looking for the symmetric difference operation on sets in Isabelle/HOL, but couldn't find it in Set.thy. Does anyone know if it exists anywhere else? I thought I'd better check before I go ahead and define it myself.

Thanks,

Iain
-- 
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.






This archive was generated by a fusion of Pipermail (Mailman edition) and MHonArc.