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For every plane there exists a point which lies on it. We write ABC = α. We employ also the expressions: "A, B, C lie in α"; "A, B, C are points of α", etc. For every three points A, B, C which do not lie in the same line, there exists no more than one plane that contains them all. If two points A, B of a line a lie in a plane α, then every ...
The two characters commonly used for this purpose are the hyphen ("-") and the underscore ("_"); e.g., the two-word name "two words" would be represented as "two-words" or "two_words". The hyphen is used by nearly all programmers writing COBOL (1959), Forth (1970), and Lisp (1958); it is also common in Unix for commands and packages, and is ...
If more than one local name exists, follow the procedure explained below under Multiple local names. If the place does not exist any more, or the article deals only with a place in a period when it held a different name, the widely accepted historical English name should be used.
Different geometries allow different notions of geometric constraints. For example, a circle is a concept that makes sense in Euclidean geometry, but not in affine linear geometry or projective geometry, where circles cannot be distinguished from ellipses, since one may squeeze a circle to an ellipse. Similarly, a parabola is a concept in ...
The meaning of the noun used for a common name may have been lost or forgotten (whelk, elm, lion, shark, pig) but when the common name is extended to two or more words much more is conveyed about the organism's use, appearance or other special properties (sting ray, poison apple, giant stinking hogweed, hammerhead shark).
For example, two distinct lines can intersect in no more than one point, intersecting lines form equal opposite angles, and adjacent angles of intersecting lines are supplementary. When a third line is introduced, then there can be properties of intersecting lines that differ from intersecting lines in Euclidean geometry.
4. Oreos. The off-brand Oreos don't seem to know what they're aiming for. Still, they try. And in these increasingly expensive times, some of them are the only way to attempt to satisfy an Oreo ...
Many double-barrelled names are written without a hyphen, causing confusion as to whether the surname is double-barrelled or not. Notable persons with unhyphenated double-barrelled names include politicians David Lloyd George (who used the hyphen when appointed to the peerage) and Iain Duncan Smith, composers Ralph Vaughan Williams and Andrew Lloyd Webber, military historian B. H. Liddell Hart ...