Hot answers tagged contractions
じゃ is the contraction of では. It's a contraction, because じゃ is one mora (one unit length) and では is two moras long. じゃ is frequently used as contraction of では, especially in じゃない < ではない. As pointed out before by one of our native speakers on this site (@l'électeur), じゃありません is at risk of being overused by learners. Presumably, because the uncontracted では ...
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