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(* Title: ZF/Coind/Values.thy
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ID: $Id$
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Author: Jacob Frost, Cambridge University Computer Laboratory
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Copyright 1995 University of Cambridge
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*)
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Values = Language + Map +
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(* Values, values environments and associated operators *)
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consts
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Val, ValEnv, Val_ValEnv :: i
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codatatype <= "quniv(Const Un ExVar Un Exp)"
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"Val" = v_const("c:Const")
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| v_clos("x:ExVar","e:Exp","ve:ValEnv")
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and
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"ValEnv" = ve_mk("m:PMap(ExVar,Val)")
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monos "[map_mono]"
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type_intrs "[A_into_univ, mapQU]"
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consts
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ve_owr :: [i,i,i] => i
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ve_dom :: i=>i
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ve_app :: [i,i] => i
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primrec "ve_owr(ve_mk(m), x, v) = ve_mk(map_owr(m,x,v))"
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primrec "ve_dom(ve_mk(m)) = domain(m)"
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primrec "ve_app(ve_mk(m), a) = map_app(m,a)"
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constdefs
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ve_emp :: i
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"ve_emp == ve_mk(map_emp)"
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end
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