Is there a way to achieve in LyX what one can achieve using \everymath{\displaystyle}
in LaTeX, that is to force all inline math to look the same as math in equations (large integral signs, full-size numerator and denominator in fractions etc).
I have tried to add \everymath{\displaystyle}
to preamble but it doesn't seem to help.
Update: Thank you, Torbjørn. I should have said that I actually want the change in LyX' WYSIWYG mode itself (if that's possible).