id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-6630 Identity (philosophy) - Wikipedia .html text/html 1716 288 56 In philosophy, identity, from Latin: identitas ("sameness"), is the relation each thing bears only to itself.[1][2] The notion of identity gives rise to many philosophical problems, including the identity of indiscernibles (if x and y share all their properties, are they one and the same thing?), and questions about change and personal identity over time (what has to be the case for a person x at one time and a person y at a later time to be one and the same person?). The philosophical concept of identity is distinct from the better-known notion of identity in use in psychology and the social sciences. Stanford Encyclopedia of Philosophy: Identity, First published Wed 15 Dec 2004; substantive revision Sun 1 Oct 2006. Stanford Encyclopedia of Philosophy: Identity, First published Wed 15 Dec 2004; substantive revision Sun 1 Oct 2006. Stanford Encyclopedia of Philosophy: Identity over time. Stanford Encyclopedia of Philosophy: Personal identity. Categories: Identity (philosophy) ./cache/en-wikipedia-org-6630.html ./txt/en-wikipedia-org-6630.txt