Sentence examples similar to incidental notation from inspiring English sources
Although a pseudo-irrational such as π′ (on either definition) is "as unambiguous as… π or √2" (PG 476), it is 'homeless' according to Wittgenstein because, instead of using "the idioms of arithmetic" (PR §186), it is dependent upon the particular 'incidental' notation of a particular system (i.e., in some particular base) [ PR §188), (PR §182), and (PG 475)].
(The standard device has been used of writing \ \phi (z)\) to represent the substitution instance of \ \phi (y)\) resulting from replacing free occurrences of \ y\) with occurrences of \ z\), and modifying bound variables if necessary to avoid incidental capture of \ z\).) The present abstraction notation, using \(\lambda\), is not that of Russell, but he used an equivalent scoping device.
Notation, notation, notation.
The New Yorker, May 31 , 1947P. 18 Incidental Intelligence: On the flyleaf of a copy of "When We Were Very Young," by A. A. Milne, in the library of the Harvard Club is a notation reading, "Copy #2.
