Editing Monotonic function (section)

== Bibliography ==
*{{cite book
 | last = Bartle
 | first = Robert G.
 | title = The elements of real analysis
 | edition = second
 | year = 1976
}}
*{{cite book
 | last = Grätzer
 | first = George
 | title = Lattice theory: first concepts and distributive lattices
 | year = 1971
 | publisher = W. H. Freeman
 | isbn = 0-7167-0442-0
}}
*{{cite book
 | last       = Pemberton
 | first      = Malcolm
 |author2=Rau, Nicholas
 | title      = Mathematics for economists: an introductory textbook
 | publisher  = Manchester University Press
 | year       = 2001
 | isbn       = 0-7190-3341-1
}}
* {{cite book
|author1=Renardy, Michael  |author2=Rogers, Robert C.
 |name-list-style=amp |    title = An introduction to partial differential equations
|   series = Texts in Applied Mathematics 13
|  edition = Second
|publisher = Springer-Verlag
| location = New York
|     year = 2004
|    pages = 356
|       isbn = 0-387-00444-0
}}
*{{cite book
 |author1=Riesz, Frigyes  |author2=Béla Szőkefalvi-Nagy
  |name-list-style=amp | title = Functional Analysis
 | year = 1990
| publisher = Courier Dover Publications
| isbn = 978-0-486-66289-3
}}
*{{cite book
 | last1=Russell |first1=Stuart J. |last2=Norvig |first2=Peter 
 | title = Artificial Intelligence: A Modern Approach
 | year = 2010
 | edition = 3rd
 | publisher = Prentice Hall
 | publication-place = Upper Saddle River, New Jersey
 | isbn = 978-0-13-604259-4
}}
*{{cite book
 | last1 = Simon |first1=Carl P. |first2=Lawrence |last2=Blume 
 | title = Mathematics for Economists
 | edition = first
 | date = April 1994
 |publisher=Norton | isbn = 978-0-393-95733-4
}} (Definition 9.31)