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Date: 15 May 92  2:46 -0700
From: Sreeranga Rajan <sree@cs.ubc.ca>
To: <etxhsan@brazil.ericsson.se>
Cc: <info-hol@ted.cs.uidaho.edu>
Message-Id: <368*sree@cs.ubc.ca>
Subject: Re: Ackermann's function

Sorry about ambiguity in my last message due to the
(inadvertent) use of two negatives.
I meant that you would need more than the HOL's current type system
(such as recursion on complex types) to derive Girard's result
(such as System T or F).
Best regards,
        -Sree
(sree@cs.ubc.ca)
