/*
 *   $Id: IsFree,v 1.1 1998/02/18 19:33:30 alex Exp $
 */
 
// Copyright (C) 1998 The New York Group Theory Cooperative
// See magnus/doc/COPYRIGHT for the full notice.
//
// Principal Author: Dmitry Pechkin
//
// Status: in progress
//
// Revision History:
//


Check-in type:		HNN-extension of free groups

Objects highlighted:	group G 

Name in the menu:	Is G free ?

Problem type:		problem object

Help file:		HNNofFreeFreeness.help


			     Algorithms:


1. For the use of this problem
