Formal Description
Like first order logic (FOL), a syntax defines which collections of symbols are legal expressions in a Description Logic (DL), and semantics determine meaning. Unlike FOL, a DL may have several well known syntactic variants.
Read more about this topic: Description Logic
Famous quotes containing the words formal and/or description:
“The manifestation of poetry in external life is formal perfection. True sentiment grows within, and art must represent internal phenomena externally.”
—Franz Grillparzer (1791–1872)
“An intentional object is given by a word or a phrase which gives a description under which.”
—Gertrude Elizabeth Margaret Anscombe (b. 1919)