Difference between revisions of "Iff"
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'''Iff''' is an abbreviation for the phrase "if and only if." | '''Iff''' is an abbreviation for the phrase "if and only if." | ||
| − | In order to prove a statement of the form, "A iff B," it is necessary to prove two distinct implications: that A implies B and that B implies A. | + | In order to prove a statement of the form, "A iff B," it is necessary to prove two distinct implications: that A implies B ("if A then B") and that B implies A ("if B then A"). |
{{stub}} | {{stub}} | ||
[[Category:Definition]] | [[Category:Definition]] | ||
Revision as of 09:30, 7 July 2006
Iff is an abbreviation for the phrase "if and only if."
In order to prove a statement of the form, "A iff B," it is necessary to prove two distinct implications: that A implies B ("if A then B") and that B implies A ("if B then A").
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