Alt-V and Alt-X are your friends to type \(\forall\) and \(\exists\).
Implication, negation, disjunction and conjunction have no shortcuts yet,
please use either the virtual keyboard or the alternatives like
->, !, || and &&.
Zoltán Kovács
Linz School of Education
Johannes Kepler University
Altenberger Strasse 69
A-4040 Linz