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Rareiff
The correct spelling is iff.
How to pronounce iff
conjunction
Say it like: Iff
The correct spelling is iff. If and only if; used to show that the truth values of two statements are the same. For example: "A rectangle is a square iff all four of its sides have the same length."
Usage Examples
“A rectangle is a square iff all four of its sides have the same length.”
Definition
conjunction
- 1.If and only if; used to show that the truth values of two statements are the same.
- 2.Logically equivalent to rephrases:
- 3.Obsolete spelling of if.
Similar words
Words related in meaning — check their spelling too.