How can I separate a number and a 'forall' sign in a math expression

Asked May 03 '18 at 03:33

Active May 03 '18 at 07:00

Viewed 155 times

How could I ensure there is spacing between the number zero and my 'forall' sign in the following:

$$\alpha'(t) \not= 0 \forall t \in I$$ ?

Initially I tried to do

$\alpha'(t) \not = 0$ $\forall t \in I$,

which worked perfectly well, but now I wish to write the expression between double dollar signs for formatting purposes.

The problem is that 0 is almost too close to my 'forall' sign now.

I would appreciate any input.

edited May 03 '18 at 07:00

cgnieder

asked May 03 '18 at 03:33

T J. Kim

Just put a ~ before \forall, \[\alpha'(t) \ne 0~\forall t \in I\]. And please use \[ and \] instead of $$, see here. – May 03 '18 at 03:36
@marmot thanks for the suggestion, I'm using this for MSE. – T J. Kim May 03 '18 at 03:46
@Kim : what do you mean with MSE? – pzorba75 May 03 '18 at 04:11
Math stack exchange. We use MathJax. I may be mistaken, but [, ] doesn't seem to work well over there – T J. Kim May 03 '18 at 04:15
That makes this question off-topic .... – cfr Oct 02 '23 at 03:43

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