1.
Theorem Proving in Higher Order Logics 14th International Conference, Tphols 2001, Edinburgh...
by Boulton, Richard J., Jackso...
ISBN: 9783540425250
List Price: $74.95
2.
Theorem Proving in Higher Order Logics
by Boulton, Richard J., Jackso...
ISBN: 9783662199183
List Price: $24.99