8This symbol means for all or sometimes for every. Variance of random variable X. Let us see the different types of symbols used in Mathematics set theory with its meaning and examples.
This symbol means there does not exist.
L which varies slightly in look depending on the font its typed in is mainly a blank face while L is a drooling face. You can make use of our tables to get a hold on all the. If E and F are abelian subgroups of an abelian group V notation means that V is the direct sum of E and F. S 2 4.