From: Ludvig Larsson <ludvig AT club-internet DOT fr>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: [Semi-OT] Making a transaction.
Date: Mon, 22 Feb 1999 03:24:20 +0100
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Well, I guess that it's like giving
orders on telephone...

a) Do this please;
b) ok/no
b) did you get the answer?
a) I did, did you get my confirmation?
"a" now knows what happened.

b) I did, did you get the this confirmation?

"b" now knows that "a" knows.

if "a" recieved;
"a" knows that "b" knows.

a) yes, did you get this?

"a" now knows that "b" knows that "a" knows.

if "b" recieves this, "b" also knows that "a" knows that "b" knows.


HTH

Ludvig Larsson