The following line of code generates an error message:

(IC1) $\int_{\underline{v}}^{\bar{v}} (q^i\*y^i (t,v)\*v - p^i (t,v))G(v\mid t)$
$\int_{\underline{v}}^{\bar{v}}(q^i\*y^i(t^',v)\*v - p^i(t^',v))G(v \mid t)$\

The error I get is:

Missing { inserted.
<to be read again> 
l.31 ...t_{\underline{v}}^{\bar{v}}(q^i \* y^i(t^'
                                                  ,v) \* v - p^i(t^',v))G(v ...
  • 1
    Please always show the full error message which pinpoint sthe exact point of error Mar 31, 2015 at 8:00
  • t^' doesn't work. Either use t' or t^{'} depending on the wanted output. Mar 31, 2015 at 8:10

1 Answer 1


You're problem is that you have t^'. For primes you don't need the explicit superscripting and instead just write t' -- although, if you like you can write $t^\prime$.

A full minimal working example:


  (IC1) $\int_{\underline{v}}^{\bar{v}} (q^i\*y^i (t,v)\*v - p^i (t,v))G(v\mid t)$
$\int_{\underline{v}}^{\bar{v}}(q^i\*y^i(t',v)\*v - p^i(t',v))G(v \mid t)$\


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