Difference between revisions of "Iff"
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− | [https://www.youtube.com/embed/MckXBKafPfw Mathematical Logic] | + | [https://www.youtube.com/embed/MckXBKafPfw Mathematical Logic] (I am in process of making a smoother version of this -themathematicianisin). |
==See Also== | ==See Also== |
Revision as of 17:55, 31 July 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.
Example
In order to prove a statement of the form " iff
," it is necessary to prove two distinct implications:
- if
then
- if
then
Videos
Mathematical Logic (I am in process of making a smoother version of this -themathematicianisin).
See Also
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