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1 (* Title: Sequents/LK/Propositional.thy |
1 (* Title: Sequents/LK/Propositional.thy |
2 Author: Lawrence C Paulson, Cambridge University Computer Laboratory |
2 Author: Lawrence C Paulson, Cambridge University Computer Laboratory |
3 Copyright 1992 University of Cambridge |
3 Copyright 1992 University of Cambridge |
4 *) |
4 *) |
5 |
5 |
6 header {* Classical sequent calculus: examples with propositional connectives *} |
6 section {* Classical sequent calculus: examples with propositional connectives *} |
7 |
7 |
8 theory Propositional |
8 theory Propositional |
9 imports "../LK" |
9 imports "../LK" |
10 begin |
10 begin |
11 |
11 |