[isabelle-dev] Clash of specifications
Amine Chaieb
ac638 at cam.ac.uk
Sat Jul 4 11:23:33 CEST 2009
Thanks Florian, it helps. It is apparently the same issue as with
typerep. I fixed it.
Amine.
Florian Haftmann wrote:
> Hi Amine,
>
>
>> *** Clash of specifications "Sign.sign.size_sign_inst.size_sign_def" and
>> "Sign.sign.size_sign_inst.size_sign_def" for constant "Nat.size_class.size"
>> *** At command "theory".
>>
>
> I guess that you have a theory which introduces a type "sign". When you
> ensure that this theory has "Plain" as ancestor, the problem should
> disappear; if not, I think I'll have a look at the offending theories.
>
> Hope this helps,
> Florian
>
>
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