[opentheory-users] the Unwanted namespace
Michael Norrish
Michael.Norrish at nicta.com.au
Fri Jan 20 05:53:31 UTC 2012
On 20/01/12 04:26, Ramana Kumar wrote:
> To my mild surprise, logging the proof of the point-free theorem
> worked. That is, if I make sure the theorem with an unapplied
> Unwanted.id is logged with a proof (while logging the lazy list
> theory), then process the resulting article with opentheory, the
> resulting package doesn't define Unwanted.id and doesn't require any
> axioms. I've uploaded the new version of the lazy list package, which
> now appears to define and prove just the right things.
> http://opentheory.gilith.com/opentheory/packages/lazy-list-0.3/lazy-list-0.3.html
I'm confused by the fact that the HTML page says that it depends on assumptions about
Number.Numeral.bit2
Shouldn't bit2 terms have been eliminated by the treatment of HOL4 numerals?
Certainly,
http://opentheory.gilith.com/opentheory/packages/natural-numeral-1.8/natural-numeral-1.8.html
only talks about bit0 and bit1.
Similarly, your llist summary talks about a Relation.transitive thing that doesn't exist. (The transitive thing in llist is derived from Scott's relations-as-sets-of-pairs, but the one in base is a curried thing.)
Michael
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