Dear Avril,
A couple of wrinkles on what you are saying here. (01)
Quoting Pat Hayes <phayes@xxxxxxx>: (02)
> It seems simply obvious to me that a fruit's ripening is a temporal
> part of the fruit. I genuinely do not understand how anyone can
> disagree with this. (What else would it be? *Where* else would it
> be?) But in any case, for sure, I want to be able to apply the
> language of ripening to the name denoting the fruit, without receiving
> error messages telling me I have violated someone's peculiar ideas
> about things not being processes. (03)
If I understand correctly, Pat is talking about the very basic and sufficient
ontology where fruit denotes a sequence of particulars which are realized in
the time interval [1 n].
[MW>] There are two ways (at least) that 4D has been developed in philosophical
circles.
The first (which Pat and I are using) has physical objects extended in time as
well as space, they can have temporal parts (or states) that are all of the
physical object spatially, but part of it temporally. These can be as thin
(temporally) as you like.
The second says that there are an infinite number of slices, one for each point
in time, and that these make up the physical object.
This second approach is not computationally attractive, but this seems to be
the one you are describing above. (04)
The fruit during the interval [a b] is ripening, and during a later interval [f
g] it is e.g. rotting, where [a b] and [f g] are sub-intervals of [1 n], and
1>a>b>f>g>n.
This way the continuant-occurrent dichotomy can be derived as a
definition: a particular at one time is called an occurrent; a sequence of two
or more particulars at two or more consecutive times is called a continuant.
[MW>] Not really. An occurrent is the same occurrent at each point in time.
Here you are saying there are different occurents at each point in time (it
seems to me).
I would say that there are two states of the fruit that are the intersection of
the piece of fruit and the intervals you mention. (05)
Regards (06)
Matthew West
http://www.matthew-west.org.uk
+44 750 338 5279 (07)
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