src/HOL/IMP/Com.thy
author wenzelm
Sun Nov 02 18:21:45 2014 +0100 (2014-11-02)
changeset 58889 5b7a9633cfa8
parent 58310 91ea607a34d8
permissions -rw-r--r--
modernized header uniformly as section;
     1 section "IMP --- A Simple Imperative Language"
     2 
     3 theory Com imports BExp begin
     4 
     5 datatype
     6   com = SKIP 
     7       | Assign vname aexp       ("_ ::= _" [1000, 61] 61)
     8       | Seq    com  com         ("_;;/ _"  [60, 61] 60)
     9       | If     bexp com com     ("(IF _/ THEN _/ ELSE _)"  [0, 0, 61] 61)
    10       | While  bexp com         ("(WHILE _/ DO _)"  [0, 61] 61)
    11 
    12 end