Iff
Revision as of 13:35, 26 January 2013 by NeoMathematicalKid (talk | contribs) (Added notation and section)
Iff is an abbreviation for the phrase "if and only if."
In mathematical notation, "iff" is expressed as .
If a statement is an "iff" statement, then it is a biconditional statement.
Example
In order to prove a statement of the form, " iff
," it is necessary to prove two distinct implications:
implies
("if
, then
")
implies
("if
, then
")
See Also
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