| author | Christian Urban <urbanc@in.tum.de> |
| Sat, 25 Sep 2010 02:53:39 +0200 | |
| changeset 2485 | 6bab47906dbe |
| child 2556 | 8ed62410236e |
| permissions | -rw-r--r-- |
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theory Datatypes |
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imports "../Nominal2" |
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begin |
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(* |
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plain nominal_datatype definition without an |
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atom_decl - example by John Matthews |
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*) |
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nominal_datatype 'a Maybe = |
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Nothing |
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| Just 'a |
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thm Maybe.distinct |
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thm Maybe.induct |
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thm Maybe.exhaust |
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thm Maybe.fv_defs |
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thm Maybe.bn_defs |
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thm Maybe.perm_simps |
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thm Maybe.eq_iff |
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thm Maybe.fv_bn_eqvt |
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thm Maybe.size_eqvt |
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thm Maybe.supp |
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(* |
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using a datatype inside a nominal_datatype |
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*) |
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atom_decl name |
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datatype foo = Foo | Bar |
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instantiation foo :: pure |
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begin |
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definition |
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"p \<bullet> (f::foo) = f" |
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instance |
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apply(default) |
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apply(simp_all add: permute_foo_def) |
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done |
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end |
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nominal_datatype baz = |
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Baz x::name t::foo bind x in t |
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thm baz.distinct |
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thm baz.induct |
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thm baz.exhaust |
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thm baz.fv_defs |
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thm baz.bn_defs |
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thm baz.perm_simps |
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thm baz.eq_iff |
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thm baz.fv_bn_eqvt |
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thm baz.size_eqvt |
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thm baz.supp |
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end |
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