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NEGATION

1. [n] (logic) a proposition that is true if and only if another proposition is false

2. [n] the speech act of negating

3. [n] a negative statement; a statement that is a refusal or denial of some other statement

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Cathy THEORET in Canada

"Can we say I arrive to work at 9 o'clock or do we need to use "at"? Also can we say I was late to class or do we need to use "in"? Thank you"

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