How do the airlines expect to prevent commercial plane crashes? Studies have shown that pilot error contributes to tw...

stormbeeler November 9, 2015

Negation

Quick question on the previous post I noticed that the negation was not necessarily instead of simply saying not for c and d. Is simply saying the crashes will not decrease or the flying time is not an important factor wrong? Thanks

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Mehran November 15, 2015

While technically the correct negation of "will decrease" is "will not necessarily decrease," you should be fine using "will not decrease" as your negation.

Julie-V July 19, 2019

Is there a specific reason as to why the negation is "will not NECESSARILY decrease" instead of simply "will not"? Also, does it make a difference if one is used over the other? Thank you in advance for the clarification!