![equations - Missing QED symbol with proof and eqnarray environments in SIAM template - TeX - LaTeX Stack Exchange equations - Missing QED symbol with proof and eqnarray environments in SIAM template - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/RQvQt.png)
equations - Missing QED symbol with proof and eqnarray environments in SIAM template - TeX - LaTeX Stack Exchange
![LyX --- QED symbol same as last line of the proof (instead of line below) - TeX - LaTeX Stack Exchange LyX --- QED symbol same as last line of the proof (instead of line below) - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/6Yalt.jpg)
LyX --- QED symbol same as last line of the proof (instead of line below) - TeX - LaTeX Stack Exchange
![Output of \qed symbol in LaTeX within a proof environment at the end of an enumerate statement - Stack Overflow Output of \qed symbol in LaTeX within a proof environment at the end of an enumerate statement - Stack Overflow](https://i.stack.imgur.com/atpjA.png)
Output of \qed symbol in LaTeX within a proof environment at the end of an enumerate statement - Stack Overflow
![align - qed when `cases` is the last element of the proof-ending display with svmono class without amsthm and ntheorem - TeX - LaTeX Stack Exchange align - qed when `cases` is the last element of the proof-ending display with svmono class without amsthm and ntheorem - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/xxOKH.png)
align - qed when `cases` is the last element of the proof-ending display with svmono class without amsthm and ntheorem - TeX - LaTeX Stack Exchange
What's the proper way to end a mathematical proof? Is □ (blacksquare symbol) acceptable in place of 'QED'? - Quora
QED symbol in HTML and LaTeX at end of definitions and examples · Issue #320 · PreTeXtBook/pretext · GitHub
![math mode - Trying to find QED symbol my professor uses to use in Latex? - TeX - LaTeX Stack Exchange math mode - Trying to find QED symbol my professor uses to use in Latex? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/1s0UR.png)