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| title = Java 2 Programmer
| url = https://books.google.com/books?id=24nPZw9Wsf4C&pg=PA45
| year = 2003}}.</ref> In the mathematical literature the symbols used are often "+" ([[Plus sign|plus]]), "'''·'''" ([[Full stop|dot]]) and [[overbar]], or "∨" (
==Examples==
|