## Abstract

We show by a counterexample that Theorem 2 in Ban, Coroianu [Soft Computing (2016) 20:1249-1261] is not always the symmetric triangular fuzzy number nearest to a given fuzzy number. In addition, a corrected version is provided.

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## Acknowledgements

The author is very grateful to the anonymous referees for their detailed comments and valuable suggestions. This research has been supported by the Ministry of Science and Technology, Taiwan (105-2115-M-024-003).

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The author declares that he has no conflict of interest.

### Ethical approval

This article does not contain any studies with human participants or animals performed by the author.

## Additional information

Communicated by A. Di Nola.

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Yeh, C. Note on “symmetric triangular approximations of fuzzy numbers under a general condition and properties”.
*Soft Comput* **22, **2133–2137 (2018). https://doi.org/10.1007/s00500-017-2692-6

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### Keywords

- Fuzzy numbers
- Symmetric triangular approximation