| 482 |      1 | (*  Title: 	ZF/IMP/Assign.thy
 | 
|  |      2 |     ID:         $Id$
 | 
|  |      3 |     Author: 	Heiko Loetzbeyer & Robert Sandner, TUM
 | 
|  |      4 |     Copyright   1994 TUM
 | 
|  |      5 | *)
 | 
|  |      6 | 
 | 
|  |      7 | Assign = Aexp +
 | 
|  |      8 | consts 
 | 
|  |      9 | 	"assign" :: "[i,i,i] => i"	("_[_'/_]" [900,0,0] 900)
 | 
|  |     10 | 
 | 
|  |     11 | rules 
 | 
|  |     12 | 	assign_def	"sigma[m/x] == lam y:loc. if(y=x,m,sigma`y)"
 | 
|  |     13 | end
 |