![underline and \overline spacing problem in the definition of mathematical operators - TeX - LaTeX Stack Exchange underline and \overline spacing problem in the definition of mathematical operators - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/XynDL.png)
underline and \overline spacing problem in the definition of mathematical operators - TeX - LaTeX Stack Exchange
![symbols - How to make a an uppercase delta letter which is half coloured in black vertically? - TeX - LaTeX Stack Exchange symbols - How to make a an uppercase delta letter which is half coloured in black vertically? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/FIvpm.png)
symbols - How to make a an uppercase delta letter which is half coloured in black vertically? - TeX - LaTeX Stack Exchange
![What is the symbol for a closed (filled in) triangle pointing to the right? - TeX - LaTeX Stack Exchange What is the symbol for a closed (filled in) triangle pointing to the right? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/8oZ7j.png)
What is the symbol for a closed (filled in) triangle pointing to the right? - TeX - LaTeX Stack Exchange
![mathjax - What's the symbol for a triangle pointing to the right (WHITE RIGHT-POINTING POINTER ▻)? - TeX - LaTeX Stack Exchange mathjax - What's the symbol for a triangle pointing to the right (WHITE RIGHT-POINTING POINTER ▻)? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/aATYZ.png)
mathjax - What's the symbol for a triangle pointing to the right (WHITE RIGHT-POINTING POINTER ▻)? - TeX - LaTeX Stack Exchange
![How to define a new triangle symbol with middle line for use as a maths operator? - TeX - LaTeX Stack Exchange How to define a new triangle symbol with middle line for use as a maths operator? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/miHjS.png)
How to define a new triangle symbol with middle line for use as a maths operator? - TeX - LaTeX Stack Exchange
![symbols - How to insert a triangle/rectangle with plus sign in it (abstract algebra operators)? - TeX - LaTeX Stack Exchange symbols - How to insert a triangle/rectangle with plus sign in it (abstract algebra operators)? - TeX - LaTeX Stack Exchange](https://i.stack.imgur.com/QGWKa.png)