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Summary: RHEINISCH-
WESTF
ALISCHE
TECHNISCHE
HOCHSCHULE
AACHEN
LEHR- UND FORSCHUNGSGEBIET INFORMATIK II
RWTH Aachen D-52056 Aachen GERMANY
http://www-i2.informatik.rwth-aachen.de/lufgi2.html
Prof. Dr. J urgen Giesl
Darius Dlugosz
Exercises Functional Programming { Sheet 7
Solutions will be collected until Thursday, July 5, 2001.
Exercise 1 (2 points)
(a) Let D be a domain. Show that if vD is a cpo on D then vD? is a cpo on D? . (D? denotes
the lift of domain D.)
(b) Let D 1 ; : : : ; D n be domains. Show that if vD1 ; : : : ; vDn are cpo's then vD1:::Dn is a cpo
on D 1 : : : D n .
Exercise 2 (3 points)
Let D 1 ; : : : ; D n be domains. The domain
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