Theory Lambda_mu

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theory Lambda_mu
imports Nominal

(* $Id$ *)

theory Lambda_mu 
  imports "../Nominal" 
begin

section {* Lambda-Mu according to a paper by Gavin Bierman *}

atom_decl var mvar

nominal_datatype trm = 
    Var   "var" 
  | Lam  "«var»trm"   ("Lam [_]._" [100,100] 100)
  | App  "trm" "trm" 
  | Pss  "mvar" "trm"                                   (* passivate *)
  | Act  "«mvar»trm"  ("Act [_]._" [100,100] 100)       (* activate  *)


end