| author | Cezary Kaliszyk <kaliszyk@in.tum.de> |
| Thu, 25 Mar 2010 15:06:58 +0100 | |
| changeset 1649 | ba837d3ed37f |
| parent 1604 | 5ab97f43ec24 |
| child 1656 | c9d3dda79fe3 |
| permissions | -rw-r--r-- |
| 1600 | 1 |
theory ExPS3 |
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imports "Parser" |
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begin |
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(* example 3 from Peter Sewell's bestiary *) |
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atom_decl name |
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ML {* val _ = recursive := false *}
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nominal_datatype exp = |
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VarP "name" |
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| AppP "exp" "exp" |
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| LamP x::"name" e::"exp" bind x in e |
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| LetP x::"name" p::"pat3" e1::"exp" e2::"exp" bind x in e2, bind "bp'' p" in e1 |
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and pat3 = |
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PVar "name" |
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| PUnit |
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| PPair "pat3" "pat3" |
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binder |
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bp'' :: "pat3 \<Rightarrow> atom set" |
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where |
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"bp'' (PVar x) = {atom x}"
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| "bp'' (PUnit) = {}"
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| "bp'' (PPair p1 p2) = bp'' p1 \<union> bp'' p2" |
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thm exp_pat3.fv |
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thm exp_pat3.eq_iff |
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thm exp_pat3.bn |
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thm exp_pat3.perm |
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thm exp_pat3.induct |
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thm exp_pat3.distinct |
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1604
5ab97f43ec24
More modification needed for compilation
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
1600
diff
changeset
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thm exp_pat3.fv |
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5ab97f43ec24
More modification needed for compilation
Cezary Kaliszyk <kaliszyk@in.tum.de>
parents:
1600
diff
changeset
|
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thm exp_pat3.supp (* The bindings are too complicated *) |
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end |
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