From: Dusko Pavlovic <dusko@kestrel.edu>
To: Peter Selinger <selinger@math.lsa.umich.edu>
Cc: Categories List <categories@mta.ca>
Subject: Re: Real midpoints
Date: Mon, 17 Jan 2000 20:07:28 -0800 [thread overview]
Message-ID: <3883E700.797D12A9@kestrel.edu> (raw)
In-Reply-To: <200001170123.UAA13135@liberty.math.lsa.umich.edu>
> My point is that the definition of g is neither recursive nor
> co-recursive. The definition of g is merely expressed as a fixpoint
> equation, and Peter has set up things so that there is indeed a unique
> solution to this equation. However, the reason the fixpoint is unique
> is because the "h" part is contracting, and not because the equation
> is co-recursive.
what exactly do you mean by corecursive? (it's guarded, and guarded equations
do have unique fixpoints.)
-- dusko
next prev parent reply other threads:[~2000-01-18 4:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-12-26 18:45 Peter Freyd
1999-12-29 8:03 ` Vaughan Pratt
2000-01-17 1:23 ` Peter Selinger
2000-01-18 4:07 ` Dusko Pavlovic [this message]
2000-01-18 16:16 ` Peter Selinger
2000-01-19 20:23 ` Dusko Pavlovic
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