"Name And Address Supplied"
 wrote in message
news:ceqv50$2rbi$1{at}darwin.ediacara.org...
> "Perplexed in Peoria"  wrote
in message news:...
> > "Name And Address Supplied"
 wrote in message
news:celrvu$170q$1{at}darwin.ediacara.org...
> > > Note that John Edser wrote:
> > >
> > > > Within Hamilton's rule the two fitnesses
> > > > being compared are inclusive fitness
> > > > (rb) and Darwinian fitness implied as
> > > > as just the cost (c).
> > >
> > > This is wrong. Conventionally, inclusive fitness is r b - c, not r b.
> >
> > This is also wrong.  At least as Hamilton defined inclusive fitness in
> > 1964.  He defined it as something like (K + rb - c), where K would be
> > the fitness that an organism would have if all social interactions were
> > excluded (and the costs of those interactions).
> >
>
> You are correct, I neglected the baseline fitness. r b - c might be
> described as the "inclusive fitness consequences" of an action.
>
> > Inclusive fitness as you have defined it and inclusive fitness as
> > Hamilton defined it maximize together only if there are no pleiotropic
> > effects that modify both K and (rb-c).
>
> I disagree with you here: surely any change to K is caught in the -c
> term.

I think I understand what you are saying - that any change that I want
to put into K might be better wrapped into c.  I was probably wrong
to invoke pleiotropy here.  So, we stand mutually corrected.

Wish it was always this easy.
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