4
votes
2answers
224 views

Maths, functions in latex, really basic

I am trying to code the following; f:X->Y   x|->f(x) where -> is \longrightarrow and |-> is \longmapsto. However, my problem is that I am unable to get the x directly underneath the X. ...
2
votes
2answers
132 views

File ended while scanning use of \\definition

LaTeX noob here. Basically I get the following message in sharetex: main.tex: File ended while scanning use of \\definition. <inserted text> \par <*> main.tex I suspect you have ...
3
votes
1answer
114 views

Indicator at end of theorem

I'm writing a text with some very long theorem-environments in it and I find the italicised theorems visually not pleasing when they are rather longish. So I'm using the definition theorem style most ...
10
votes
4answers
1k views

\qed or \qedhere at the end of split environment

While I was trying to improve my latest document with respect to its \qed symbols at the end of amsthm's proof environment i came across an interesting point. Assume the proof ends with some formula, ...
10
votes
1answer
645 views

Move QED symbol to the left, i.e. at the end of the sentence

I want to make the qed symbol at the end of a proof appear at the end of the last sentence, not at the far right of the same line. Would like to do this the simplest way possible. All I can find ...
4
votes
1answer
256 views

Combined use of [fleqn] and \qedhere

It seems there is an issue within the ams packages, which results in an incompatibility between the fleqn option, and the \qedhere command. If those are used together, the qed symbol is flushed to ...
21
votes
1answer
4k views

Problem with qedhere

In a paper I'm writing, I end a proof with a displayed equation that has some cases in it. The relevant code looks something like the following: \[f(x) = \begin{cases} 2x & \text{if $x<0$}\\ ...