TeX - LaTeX Stack Exchange
TeX - LaTeX Stack Exchange

Questions tagged [relation-symbols]

{relation-symbols} are those {symbols} that denote relations (e.g., =, <) or have \mathrel spacing. Questions that are tagged with {relation-symbols} should be tagged with {symbols} as well, as it describes a sub-concept.

Questions tagged should also be tagged : this is a sub-concept.

An exhaustive overview of not only relational symbols can be found in the Comprehensive LaTeX Symbol List.

FAQ

How should I represent mathematical definitions?

Wolfram Mathworld lists three notations for mathematical definitions, namely ≡, :=, and placing a hat on an equals sig; several others are used, such as placing def above an equals sign. Only ≡ is represented natively as a mathematical relation symbol in core Latex, using \equiv.

The answers to How to typeset $:=$ correctly? give advice on typesetting :=, sometimes used for this purpose, as well as for imperative assignment. The answers to Is there a wider equal sign? treat placing def above =.

161 questions
5
votes
2 answers

Output a relational symbol on LaTeX (precedes under relation, ⊰)

I'm trying to output this character on LaTeX: ⊰ (click here if you can't see it) The more I search and read the more confused I am. At this point I am clueless. Supposedly the command is \prurel, but I found no package related to that macro. The…
Trylks
  • 579
3
votes
1 answer

Put two dots above beta

I try to put two dots above a beta ancient greek character like this \"β But a beta symbol is too tall, so the dots are printed on the beta symbol. How can I move dots up? The dots should go above the symbol. Using math formula I can realized this…
Alex E.
  • 309
3
votes
1 answer

Changing the type of a symbol

Consider the output of texdef -t latex \flat \flat: \mathchar"15B \the\flat: 347 I'd like to save the \flat command and then redefine it to work as binary symbol, for example, the same space around as \times. I'm using this \let\oldflat\flat…
Sigur
  • 37,330
3
votes
1 answer

How to print \upharpoonright?

When I run pdflatex twice on my LaTeX file, the command \upharpoonright does not print the harpoon. Could you let me know how to fix this. I use this command $ S(T)\upharpoonright D^{i}_{l} $.
M Bekkali
  • 31
2
votes
2 answers

Is there a \subseteqless command?

Is there a \subseteqless command? I mean something like \gtreqqless. If not, how can I define it myself.
user27808
  • 123
1
vote
0 answers

How do I write ≢ in LaTeX?

How do I write the symbol ≢ ("not equivalent to") in LaTeX? Is there a way to put a slash through \equiv? \notequiv doesn't exist.
Geremia
  • 2,201
0
votes
1 answer

Taller curvearrowright

Would there be a way to make \curvearrowright taller? I can't find any symbol which matches this, but \curvearrowright is just too short. I want to use it to represent an action by an algebraic object on whatever it acts on. I was hoping for…
Subhasish Mukherjee
  • 115
0
votes
1 answer

How to name a function like a relation (dependence atom)

I want to achieve something like this: how do i do this for an arbitrary relation symbol? Latex is putting a whitespace after it.
T_01
  • 127