Re: Transitive Closure
From: x <x-false_at_yahoo.com>
Date: Mon, 17 May 2004 15:34:31 +0300
Message-ID: <40a8b089_at_post.usenet.com>
Date: Mon, 17 May 2004 15:34:31 +0300
Message-ID: <40a8b089_at_post.usenet.com>
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"Alfredo Novoa" <alfredo_at_ncs.es> wrote in message news:e4330f45.0405161549.7f66ece8_at_posting.google.com...
> The commutative property does not make sense with unary operators like
> TClose. Unary operators are always commutative because there is only
> one operand's order.
Commutativity does make sense with unary operators.
M--f-->M--g-->M
fg = gf or fg != gf
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