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From: mp@allegra.UUCP (Mark Plotnick)
Newsgroups: net.followup
Subject: Re: Aida Computer Language!
Message-ID: <4026@allegra.UUCP>
Date: Tue, 7-May-85 10:42:56 EDT
Article-I.D.: allegra.4026
Posted: Tue May  7 10:42:56 1985
Date-Received: Wed, 8-May-85 04:34:40 EDT
References: <1261@amdcad.UUCP>
Organization: AT&T Bell Laboratories, Murray Hill
Lines: 7

I once saw it explained with the following diagram:

verdi  -->  aida
  ^          ^
  |          |
  v          v
vert   -->  ada