Re: [isabelle] Comparing polymorphic functions
Am 27.01.2011 12:58, schrieb Eg Gloor:
> type variables? If I do something similar with schematic types:
> schematic_lemma test: "(x::?'a=>?'b=>?'c) = (y::?'d=>?'e)"
> I get a type unification error there. It seems ?'e can't be specialised
> to "?'b => ?'c" in this case.
I'm no Isabelle expert, but I suspect that the types are already
specialized differently. Does "(x::?'a) = (y::?'d)" work?
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