Dear All,

Next Tuesday (12th), Lynne Rudder Baker, from the University of 
Massachusetts Amherst, will give a talk entitled 'The Primitive Persistence 
of Persons over Time'. An abstract is attached below.

The meeting will start at 5.15pm and will be held in the Fisher Building of
St. John's College in either the Boys Smith Room, the Dirac Room, or the
Castlereagh Room.

As usual, the speaker will present for no longer than 45 minutes, followed
by a discussion until 7.00pm.

If you would like to join Lynne for dinner after the talk, then please let
me know by noon on the day of the talk.

The termcard is available online:
http://www.phil.cam.ac.uk/news_events/moral_sci.html

Regards,
Daniel Brigham

Secretary of the Moral Sciences Club
Faculty of Philosophy
University of Cambridge


***

The issue of personal identity is a metaphysical one that concerns 
persistence conditions; it is not an issue just about our concepts or 
conventions. On my view, once we understand what a person is—a being with a 
first-person perspective essentially—we have the account of personal 
identity over time: A person exists at time t and time t’ if and only if 
her first-person perspective is exemplified at t and t’. But since the 
‘her’ in ‘her first-person perspective’ requires reference to the person, 
the condition is not informative. Nevertheless, the view is not thereby 
deprived of interest. I have a good deal to say about the first-person 
perspective (both rudimentary and robust stages) and about the conditions 
under which a human person comes into existence (gradually.

If I’m right, the absence of informative sufficient conditions for identity 
over time lies in the nature of the case: Persons are essentially persons. 
Their transtemporal identity does not consist in relations among 
subpersonal or nonpersonal entities (like mental or physical states), and 
hence the conditions for personal identity over time cannot be informative. 
Call the view that there are no informative sufficient conditions for 
personal identity ‘primitive persistence’. My view, (FPP), is one of 
primitive persistence.

(FPP) If x and y are persons who exist at t1 and t2, respectively, then x = 
y if and only if x’s exemplification of a first-person perspective at t1 is 
the same state of affairs as y’s exemplification of a first-person 
perspective at t2.

Now turn to Michael Della Rocca’s endorsement of what he calls ‘Parfit’s 
Plausible Principle’:

(PPP) If there are objects, A, B, and C, and B  C, B and C are equally 
and significantly causally and qualitatively continuous with A, and there 
is no other object besides A which exists at the same time as A and which 
is such that B and C are as causally and qualitatively continuous with it 
as they are with A, then it cannot be the case that A = B and A  C and it 
cannot be the case that A  B and A = C. (Della Rocca, Journal of 
Philosophy 2012: 599)

After pointing to the conflict between my nonreductionist view and Parfit’s 
reductionist view, I argue that we have no reason to accept (PPP) over 
(FPP) and primitive persistence. One advantage of primitive persistence 
over (PPP) is that primitive persistence offers a hedge against Parfit’s 
argument that detaches survival from identity.



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