Difference between revisions of "Iff"
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===Applications=== | ===Applications=== | ||
| − | [ | + | [https://artofproblemsolving.com/wiki/index.php/Godel%27s_First_Incompleteness_Theorem Gödel's Incompleteness Theorem] |
===Videos=== | ===Videos=== | ||
Latest revision as of 01:13, 24 December 2020
Iff is an abbreviation for the phrase "if and only if."
In mathematical notation, "iff" is expressed as 
.
It is also known as a biconditional statement.
An iff statement 
means 
and 
at the same time.
Contents
Examples
In order to prove a statement of the form "
iff 
," it is necessary to prove two distinct implications:
- if
then 
- if then
Applications
Gödel's Incompleteness Theorem
Videos
Mathematical Logic ("I am in process of making a smoother version of this" -themathematicianisin).
See Also
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