Identity Theory of Truth http://plato.stanford.edu/entries/truth-identity/
When a truth-bearer (e.g. a proposition) is true, there is a truth-maker (e.g. a fact) with which it is identical and the truth of the former consists in its identity with the latter. From the Stanford Encyclopedia, by Stewart Candlish.
The Diamond Theory of Truth http://math16.com/
Trudeau, in The Non-Euclidean Revolution, argued for his "Story Theory of truth" as opposed to the traditional "Diamond Theory of truth". This site defends Plato and diamond theory against postmodernists and story theory.
