src/HOL/IMP/Com.thy
author wenzelm
Thu, 21 Jan 2021 18:18:19 +0100
changeset 73142 0398f18ec76c
parent 58889 5b7a9633cfa8
permissions -rw-r--r--
proper hostname;

section "IMP --- A Simple Imperative Language"

theory Com imports BExp begin

datatype
  com = SKIP 
      | Assign vname aexp       ("_ ::= _" [1000, 61] 61)
      | Seq    com  com         ("_;;/ _"  [60, 61] 60)
      | If     bexp com com     ("(IF _/ THEN _/ ELSE _)"  [0, 0, 61] 61)
      | While  bexp com         ("(WHILE _/ DO _)"  [0, 61] 61)

end