14

I can get the not equal to sign, but can't seem to find the not equivalent sign!

Werner
  • 603,163
Alice
  • 141

1 Answers1

23

You can use $\not\equiv$.

And you can always have a look at “How to look up a symbol?” for ideas how you can easily find a particular symbol.

Or you try Detexify where you can draw your symbol.