See also:

• DICHOTOMY (Gr. bLya, apart, TEµvew, to cut)

DICHOTOMY (Gr. bLya, apart, TEµvew, to cut)  , literally a cutting asunder, the technical See also:

• TERM

term for a See also:

• FORM (Lat. forma)

form of logical See also:

• DIVISION (from Lat. dividere, to break up into parts, separate)

division, consisting in the separation of a genus into two See also:

• SPECIES

species, one of which has and the other has not, a certain quality or attribute . Thus men may be thus divided into See also:

• WHITE
• WHITE, ANDREW DICKSON (1832– )
• WHITE, GILBERT (1720–1793)
• WHITE, HENRY KIRKE (1785-1806)
• WHITE, HUGH LAWSON (1773-1840)
• WHITE, JOSEPH BLANCO (1775-1841)
• WHITE, RICHARD GRANT (1822-1885)
• WHITE, ROBERT (1645-1704)
• WHITE, SIR GEORGE STUART (1835– )
• WHITE, SIR THOMAS (1492-1567)
• WHITE, SIR WILLIAM ARTHUR (1824--1891)
• WHITE, SIR WILLIAM HENRY (1845– )
• WHITE, THOMAS (1628-1698)
• WHITE, THOMAS (c. 1550-1624)

white men, and men who are not white; each of these may be subdivided similarly . On the principle of See also:

• CONTRADICTION, PRINCIPLE OF (principium contradictionis)

contradiction this division is both exhaustive and exclusive; there can be no overlapping, and no members of the See also:

• ORIGINAL

original genus or the See also:

• LOWER

lower See also:

• GROUPS
• GROUPS, THEORY

groups are omitted . This method of See also:

• CLASSIFICATION (Lat. classis, a class, probably from the root cal-, cla-, as in Gr. icaMce, clamor)

classification, though formally accurate, has slight value in the exact sciences, partly because at every step one of the two groups is merely negatively characterized and therefore incapable of real subdivision; it is 'useful, however, in setting forth clearly the See also:

• GRADUAL (Med. Lat. gradualis, of or belonging to steps or degrees; gradus, step)

gradual descent from the most inclusive genus (summum genus) through species to the lowest class (infima species), which is divisible only into individual persons or things . (See further DIVISION.) In See also:

• ASTRONOMY (from Gr. &arpov, a star, and v ,usiv, to classify or arrange)

astronomy the term is used for the aspect of the See also:

• MOON (a common Teutonic word, cf. Ger. Mond, Du. maan, Dan. maane, &c., and cognate with such Indo-Germanic forms as Gr. µlip, Sans. ma's, Irish mi, &c.; Lat. uses luna, i.e. lucna, the shining one, lucere, to shine, for the moon, but preserves the word i
• MOON, SIR RICHARD, 1ST BARONET (1814-1899)

moon or of a See also:

• PLANET (Gr. ssXavirrns, a wanderer)

planet when apparently See also:

• HALF

half illuminated, so that its disk has the form of a semicircle .