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bmwhype2
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bmwhype2
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sankha
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Y happens iff. X happens.
This implies
If Y happens X must have happened.
BUT if X happens Y may or may not happen.

HTH
bmwhype2
Is Y if and only if X the same as X if and only if Y?
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Robin in NC
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I will buy a car if and only if the price drops 20%. Will the price drop 20% if and only if I buy the car?
So I would say that statement is untrue.
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anonymousegmat
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Robin in NC
I will buy a car if and only if the price drops 20%. Will the price drop 20% if and only if I buy the car?
So I would say that statement is untrue.


that is an excellent real world way to put it. bravo.



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