Re: [isabelle] Sort constraint finite inconsistent with default type for type variable "'b"



Hi Christian,

Am 17.12.2012 04:46, schrieb Christian Sternagel:
> locale a =
>     fixes a :: "'b set => 'a set"
>   begin

Here, 'b gets sort »type«…

>   lemma
>     fixes A :: "('b::finite) set"
>     shows "P (a A)"

so it can't appear at sort »finite« later on.  Maybe you meant
»'c::finite«!?

Cheers,
	Florian

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