[Tex/LaTex] Product symbol c on the lower suffix


Sorry, this may be very easy question but I didn't get. When I use product symbol, I want to write c(as a cardinal product) in the lower suffix. I am using following command.

\documentclass{12 pt}{article}


$\prod_{i = 1}^{n}_{c} A_{i}$


Best Answer

I’m not sure want exactkly you like to get but you can inlcude the _c part inside the braces of n:

\prod_{i = 1}^{n_c} A_{i}

which will give

enter image description here

Pleas note that the first argument of \documentclass is optional and for that needy square brackets, and the font size option is without a space, i.e. 12pt instead of 12 pt