Margaret Gilbert

Different accounts of what it is for something to have a social nature have been given. Sociality does not appear to be a category worthy of philosophical focus, given some of these accounts. If sociality is construed as plural subjecthood, it emerges as a category crucial for our understanding of the human condition. Plural subjects are constituted by a joint commitment of two or more persons to do something as a body. Such commitments generate rights and obligations of a special type, and underlie such phenomena as social conventions, agreements, shared action and social groups on one standard understanding of what these are.

This paper reviews some of the growing body of work in the analytic philosophy of social phenomena, with special reference to the question whether adequate accounts of particular social phenomena can be given in terms that are individualistic in a sense that is specified. The discussion focusses on accounts of what have come to be known as shared intention and action. There is also some consideration of accounts of social convention and collective belief. Particular attention is paid to the need to explain the association of certain rights and obligations with the phenomena at issue.

Can teams and other collectivities have preferences of their own, preferences that are not in some way reducible to the personal preferences of their members? In short, are collective preferences possible? In everyday life people speak easily of what we prefer, where what is at issue seems to be a collective preference. This is suggested by the acceptability of such remarks as ‘My ideal walk would be . . . along rougher and less well-marked paths than we prefer as a family’. One can imagine, indeed, that each member of a given family prefers something other than what the family prefers. What, then, do the collective preferences of everyday understanding amount to?

May social unity - the unity of a society or social group - be a matter of sharing values? Political philosophers disagree on this topic. Kymlicka answers: No. Devlin and Rawls answer: Yes. It is argued that given one common 'summative' account of sharing values a negative answer is correct. A positive answer is correct, however, given the plural subject account of sharing values. Given this account, those who share values are unified in a substantial way by their participation in a joint commitment. Some consequences of such sharing of values for the liberty of the people involved are noted.