Difference between revisions of "Correspondence"
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(Also called ''bijection''.) | (Also called ''bijection''.) | ||
| − | Building a '''one-to-one correspondence''' is corresponding each element of a set to one and only one element of another set. This is often the key to greatly simplifying a problem. | + | Building a '''one-to-one correspondence''' is corresponding each element of a set to one and only one element of another set. This is often the key to greatly simplifying a problem. A bijection is both an [[injection]] and [[surjection]]. |
== Examples == | == Examples == | ||
Revision as of 22:05, 25 June 2006
(Also called bijection.)
Building a one-to-one correspondence is corresponding each element of a set to one and only one element of another set. This is often the key to greatly simplifying a problem. A bijection is both an injection and surjection.
