Re: [isabelle] Problem with unfolding definitions while instantiating class

On 09/06/2014 11:24, Florian Haftmann wrote:
>> This is not possible. As Dave pointed out, the problem goes away if in
>> Main the instantiation of "fun" on class complete_lattice is done in
>> stages, where in a first step one merely instantiates Sup and Inf.
>> @ Florian: any objections to that?
> No.  This would finally conclude the »syntactification« of Sup and Inf 
> initiated by Larry (AFAIR).

It is in now. This means that with the next release one can use Inf and Sup on
functions without forcing things to be complete lattices.


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