| author | Christian Urban <urbanc@in.tum.de> |
| Tue, 25 Nov 2008 05:19:27 +0000 | |
| changeset 50 | 3d4b49921cdb |
| parent 47 | 4daf913fdbe1 |
| child 56 | 126646f2aa88 |
| permissions | -rw-r--r-- |
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theory Solutions |
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Antiquotation setup is now contained in theory Base.
berghofe
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imports Base |
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begin |
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chapter {* Solutions to Most Exercises *}
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text {* \solution{fun:revsum} *}
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ML {*
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fun rev_sum t = |
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let |
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fun dest_sum (Const (@{const_name plus}, _) $ u $ u') = u' :: dest_sum u
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| dest_sum u = [u] |
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in |
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hakked latex so that it does not display ML {* *}; general tuning
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foldl1 (HOLogic.mk_binop @{const_name plus}) (dest_sum t)
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end; |
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*} |
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text {* \solution{fun:makesum} *}
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added a solution section and some other minor additions
Christian Urban <urbanc@in.tum.de>
parents:
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ML {*
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hakked latex so that it does not display ML {* *}; general tuning
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parents:
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fun make_sum t1 t2 = |
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HOLogic.mk_nat (HOLogic.dest_nat t1 + HOLogic.dest_nat t2) |
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*} |
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end |