Tagged Questions
9
votes
2answers
722 views
Is it safe to temporarily redefine \and, \or, and \not?
I'm writing lots of logic expressions in LaTeX and I'd much rather write $p \and \not q \or r$ than $p \land \lnot q \lor r$. I was thinking of doing something like this:
\newenvironment{logic}{%
...
16
votes
1answer
582 views
What does \marks do?
Recently I had cause to define a macro called \marks. If I try something like
\newcommand{\marks}{fred}
I get the error
! LaTeX Error: Command \marks already defined.
In LaTeX, if I do ...