In Mathematics
- Ideal (ring theory), special subsets of a ring considered in abstract algebra
- Ideal, special subsets of a semigroup
- Ideal (order theory), special kind of lower sets of an order
- Ideal (set theory), a collection of sets regarded as "small" or "negligible"
- Ideal (Lie algebra), a particular subset in Lie algebra
Read more about this topic: Ideal
Famous quotes containing the word mathematics:
“The three main medieval points of view regarding universals are designated by historians as realism, conceptualism, and nominalism. Essentially these same three doctrines reappear in twentieth-century surveys of the philosophy of mathematics under the new names logicism, intuitionism, and formalism.”
—Willard Van Orman Quine (b. 1908)
“I must study politics and war that my sons may have liberty to study mathematics and philosophy.”
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