Hi there, How to write QED symbol at the end of the proof

[mathstudent]

I was using Obsidian to take math notes, I don’t know how to write a qed symbol at the end of the proof. Is there some quick way to insert qed at the end?

[anon63144152]

Hello.

Does this work?

$$\tag*{$\blacksquare$}$$

\qed for MathJax here on stackexchange

[mathstudent]

@anon63144152

Does this work?

thanks eightning, nice solution!