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theory Shallow
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imports "../Nominal2"
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begin
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(*
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Various shallow binders
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*)
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atom_decl name
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text {* binding lists of names *}
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nominal_datatype trm1 =
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Var1 "name"
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| App1 "trm1" "trm1"
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| Lam1 xs::"name list" t::"trm1" bind xs in t
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text {* binding a finite set of names *}
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nominal_datatype trm2 =
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Var2 "name"
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| App2 "trm2" "trm2"
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| Lam2 xs::"name fset" t::"trm2" bind (set) xs in t
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text {* restricting a finite set of names *}
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nominal_datatype trm3 =
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Var3 "name"
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| App3 "trm3" "trm3"
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| Lam3 xs::"name fset" t::"trm3" bind (res) xs in t
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end
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