Re: [isabelle] Integer Division



Jens,

On Fri, 2008-12-12 at 09:23 +0100, Jens Doll wrote: 
> I will have to teach my algorithm to solve the inequality
> " EX (i::int). r - 2*i <= 1" ,

this (again) falls within the scope of Presburger arithmetic, and is
handled automatically by Isabelle:

lemma "EX (i::int). r - 2*i <= 1"
  by presburger

Regards,
Tjark






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