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Pronunciation varies by accent · noun
(mathematics, combinatorics) The result of deranging a number. In equations, it is usually symbolised by an exclamation mark (!) before the number being deranged (as opposed to factorials, where the exclamation mark occurs after the number)..
Use subfactorial when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Subfactorial means (mathematics, combinatorics) The result of deranging a number. In equations, it is usually symbolised by an exclamation mark (!) before the number being deranged (as opposed to factorials, where the exclamation mark occurs after the number)..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use subfactorial where its definition matches the intended context.
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