On Mon, Jan 20, 2014 at 10:09:02PM +1300, LizR wrote:
> On 20 January 2014 19:43, Russell Standish <li...@hpcoders.com.au> wrote:
> 
> > On Sun, Jan 19, 2014 at 10:13:22PM -0800, meekerdb wrote:
> > > On 1/19/2014 7:09 PM, Russell Standish wrote:
> > > >That's not the definition. A rational agent is someone who always
> > > >chooses the optimal course of action, not that there might be a reason
> > > >for it.
> > >
> > > Isn't "being optimal" a reason?
> >
> > Yes - a specific reason, not any old reason.
> >
> > Obviously I wasn't meaning just "any old reason" !
> 
> (I said the reason was to optimise the utility function... I realise there
> are caveats like not knowing how to, not having time, etc)
> 

The point about acting randomly is that clearly you are not optimising
your utility. You a choosing something other than the optimum action,
so are behaving irrationally by definition. Yet, it could be a
beneficial strategy to do so, for all the reasons raised (fooling your
opponents, making a timely decision, and so on).

-- 

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Prof Russell Standish                  Phone 0425 253119 (mobile)
Principal, High Performance Coders
Visiting Professor of Mathematics      hpco...@hpcoders.com.au
University of New South Wales          http://www.hpcoders.com.au
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