The "equivalence" symbol ($\equiv$) works well, while the "crossed" versions, like $\neqiv$ and $\notequiv$, do not ?
Some alternatives ?
Thanks
\not\equiv
$\not\equiv$\!
or a thinspace \,
between \not
and \equiv
\equiv\!\!\!\!\!/
, and adjust the amount of spaces you want from that.
$\endgroup$
– Simply Beautiful Art
Sep 13 '17 at 22:23
\not\equiv
, and not play around with the spacing. This will provide the proper unicode symbol (U+2262), whereas the others will not. Why is this important? Because it will help people who need assistive technology (like screen readers) to get the proper rendering of the mathematics. The other suggestions will produce gibberish. Also, the U+2262 has the slash properly placed, so there is no need to adjust it. Please don't use the suggestions that include \!
or \,
.
$\endgroup$
– Davide Cervone
Sep 14 '17 at 0:36
\not
in front of relational symbols, so $\not\equiv$ may suit you. $\endgroup$ – hardmath Sep 14 '17 at 4:25