# When is Deleting an Answer Reasonable?

Today (formally July 10) an answer (not mine) to integrating $y \ln y$ was deleted. The one line answer said that the same technique (presumably the one in another of the answers) could be used for inverse trig. functions. While this remark does not add much, and gives no detail, it is certainly not incorrect.

Since there are instances of more irrelevant answers, or even incorrect answers, that are not deleted, I wonder whether one could instead take a more laissez-faire attitude, and let the marketplace of ideas take care of things.

• I flagged this answer as "not an answer" and it was transferred to the comments to the question, so nothing is lost. – t.b. Jul 10 '11 at 4:19
• My experience, while not a comprehensive survey, suggests that the vast majority of deleted answers are deleted by their owners/posters, not deleted administratively. – Isaac Jul 10 '11 at 5:51

• Same here. ${}{}$ – Mariano Suárez-Álvarez Jul 10 '11 at 15:56