completely divisible group
31subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …
32300 (number) — This article is about the numbers 300 to 399. For other uses of 300, see 300 (disambiguation). For the guitar, see Gibson ES 335. For the British tilting train, see British Rail Class 390. For the Dada magazine, see 391 (magazine). For the… …
33List of first-order theories — In mathematical logic, a first order theory is given by a set of axioms in somelanguage. This entry lists some of the more common examples used in model theory and some of their properties. PreliminariesFor every natural mathematical structure… …
34Cubic reciprocity — is a collection of theorems in elementary and algebraic number theory that state conditions under which the congruence x3 ≡ p (mod q) is solvable; the word reciprocity comes from the form of the main theorem, which states that …
35Switzerland — /swit seuhr leuhnd/, n. a republic in central Europe. 7,248,984; 15,944 sq. mi. (41,294 sq. km). Cap.: Bern. French, Suisse. German, Schweiz. Italian, Svizzera. Latin, Helvetia. * * * Switzerland Introduction Switzerland Background: Switzerland s …
36Empedocles — M.R.Wright INTRODUCTION Empedocles was a native of Acragas (Agrigento) in Sicily, a Doric colony founded on the south coast of the island in the sixth century BC, which soon grew to rival Syracuse in its prosperity. A line of temples, many of… …
37FAMILY, AMERICAN JEWISH — Introduction Any discussion of American Jewish family life as an institution must view it within the context of contemporary American social, economic, and political life. All contemporary American Jews are Jews by choice in that their… …
38RESPONSA — (Heb. שְׁאֵלוֹת וּתְשׁוּבוֹת; lit. queries and replies ), a rabbinic term denoting an exchange of letters in which one party consults another on a halakhic matter. Such responsa are already mentioned in the Talmud, which tells of an inquiry… …
39Boolean algebra — This article discusses the subject referred to as Boolean algebra. For the mathematical objects, see Boolean algebra (structure). Boolean algebra, as developed in 1854 by George Boole in his book An Investigation of the Laws of Thought,[1] is a… …
40AGRICULTURE — in the land of israel in prehistory from the beginning of the bronze age to the conquest of joshua early israelite the period of the first temple the period of the return and the second temple the hasmonean period the mishnaic and talmudic period …
