author | Cezary Kaliszyk <kaliszyk@in.tum.de> |
Sat, 27 Mar 2010 08:17:43 +0100 | |
changeset 1672 | 94b8b70f7bc0 |
parent 1596 | c69d9fb16785 |
permissions | -rw-r--r-- |
1596
c69d9fb16785
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theory Ex2 |
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imports "Parser" |
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begin |
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text {* example 2 *} |
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atom_decl name |
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ML {* val _ = recursive := false *} |
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nominal_datatype trm' = |
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Var "name" |
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| App "trm'" "trm'" |
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| Lam x::"name" t::"trm'" bind x in t |
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| Let p::"pat'" "trm'" t::"trm'" bind "f p" in t |
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and pat' = |
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PN |
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| PS "name" |
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| PD "name" "name" |
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binder |
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f::"pat' \<Rightarrow> atom set" |
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where |
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"f PN = {}" |
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| "f (PD x y) = {atom x, atom y}" |
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| "f (PS x) = {atom x}" |
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thm trm'_pat'.fv |
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thm trm'_pat'.eq_iff |
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thm trm'_pat'.bn |
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thm trm'_pat'.perm |
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thm trm'_pat'.induct |
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thm trm'_pat'.distinct |
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thm trm'_pat'.fv[simplified trm'_pat'.supp] |
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end |
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