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1 (* Title: HOL/Relation.thy |
1 (* Title: HOL/Relation.thy |
2 Author: Lawrence C Paulson, Cambridge University Computer Laboratory; Stefan Berghofer, TU Muenchen |
2 Author: Lawrence C Paulson, Cambridge University Computer Laboratory; Stefan Berghofer, TU Muenchen |
3 *) |
3 *) |
4 |
4 |
5 header {* Relations -- as sets of pairs, and binary predicates *} |
5 section {* Relations -- as sets of pairs, and binary predicates *} |
6 |
6 |
7 theory Relation |
7 theory Relation |
8 imports Finite_Set |
8 imports Finite_Set |
9 begin |
9 begin |
10 |
10 |