On 17 Oct 2001, Yaochu Jin wrote:
> >WSiler@aol.com wrote:
> >
> >> I see no reason why different consequents mean necessarily that the
> >> rules are inconsistent.
> >
> >I agree.
> >I even would go one step further: rules are never inconsistent.
> >Inconsistency only arises when rules contradict domain knowledge.
> >This is irrespective of whether the rules are interpreted as
> >Mamdani-like rules or as implications.
>
> This argument itself is inconsistent. Remind that fuzzy rules are believed to be
> able to extract knowledge from data. If rules are never inconsistent, how can
> rules be inconsistent with domain knowledge, which can usually be represented by
> fuzzy rules? Just an example. From data, you get two rules:
>
> R1: If speed is high and distance is short, brake sharply (to stop)
> R2: If speed is high and distance is short, brake slightly (to stop)
>
> These two rules, in my view are inconsistent.
How about these two rules:
R1: IF obstacle is straight ahead THEN turn left
R2: IF obstacle is straight ahead THEN turn right
Adam
############################################################################
This message was posted through the fuzzy mailing list.
(1) To subscribe to this mailing list, send a message body of
"SUB FUZZY-MAIL myFirstName mySurname" to listproc@dbai.tuwien.ac.at
(2) To unsubscribe from this mailing list, send a message body of
"UNSUB FUZZY-MAIL" or "UNSUB FUZZY-MAIL yoursubscription@email.address.com"
to listproc@dbai.tuwien.ac.at
(3) To reach the human who maintains the list, send mail to
fuzzy-owner@dbai.tuwien.ac.at
(4) WWW access and other information on Fuzzy Sets and Logic see
http://www.dbai.tuwien.ac.at/ftp/mlowner/fuzzy-mail.info
(5) WWW archive: http://www.dbai.tuwien.ac.at/marchives/fuzzy-mail/index.html
This archive was generated by hypermail 2b30 : Tue Oct 23 2001 - 11:37:34 MET DST