Are mathematical articles on Wikipedia reliable?

I know that Wikipedia gets a bad rap, and it seems like some teachers of mine have nothing better to do in class than harp on about the Great Academic Pastime of calling Wikipedia untrustworthy, but let’s face it – Wikipedia is probably the single best resource on the internet for getting quick introductions/reviews of new mathematical ideas. I have used it extensively, and I have seen links to its pages provided in hundreds of the questions on this site.

My main concern is: is Wikipedia really unreliable for mathematics? I realize that this may be true in general, but it doesn’t seem like something mathematical could be posted “incorrectly” on the site insofar as mathematics is basically true (in an objective sense). I put quite a bit of trust in what I read on that site, and I assume that there will be no falsehoods – is this a justified presumption?

Please note that I personally love Wikipedia. I’m expecting the answer to be “yes” but I just wanted to make sure.


In my personal experience, I’ve found Wikipedia tremendously useful and reliable both in my studies and in my research. Rarely are there ever mistakes. Anytime you get information, especially from the internet, you should always check with at least one other source, of course. I usually use wikipedia and another source to make sure they agree, but I don’t know if I’ve ever found an error on Wikipedia. It can especially be very useful to get a broad overview of whatever it is you’re researching, and can provide some links to some very reliable sources.

Source : Link , Question Author : user140943 , Answer Author : Logan Tatham

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