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Generally speaking, is removing \ensuremath the best practice?

marked as duplicate by egreg, mafp, lockstep, David Carlisle, Stefan Kottwitz Feb 11 '13 at 12:02

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    no. However, it depends to the surrounding context. Using it in a definition, which can be used only inside math it is indeed superfluous. – user2478 Feb 11 '13 at 10:02

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