Identity
Links
The Paradox of Identity
http://structuredindividuals.com/paradox/toc.html
Report by William Greenberg. Argues for a Hegelian account of identity.
Do Sentences Have Identity?
http://www.bu.edu/wcp/Papers/Logi/LogiBeza.htm
Article by Jean-Yves Bziau presented at the 20th World Congress of Philosophy.
The Identity of Indiscernibles
http://plato.stanford.edu/entries/identity-indiscernible/
Entry by Peter Forrest in the Stanford Encyclopaedia of Philosophy. The principle is due to Leibniz, and states two entities are identical if they share the same properties.
Relative Identity
http://plato.stanford.edu/entries/identity-relative/
The view that there are objects which are the same F yet not the same G; from the Stanford Encyclopedia by Harry Deutsch.