# Missing math mode delimiter

\documentclass[10pt,a4paper]{article}
\usepackage[latin1]{inputenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{graphicx}
\begin{document}
\begin{center}

$\begin{array}{lll} \text{Premis 1} &$ p \Rightarrow q $&(Benar)\\ \text{Premis 2} &$ p $&(Benar) \\ \text{Kesimpulan} &$\therefore q $&(Benar) \end{array}$

\end{center}
\end{document}


Errors in line 11 and 13 saying that there are "missing $inserted" • You have $ ... $ within array. As you can see by the necessity to add \text{} around text within array, array's cells will be in math mode, putting $ ... \$ in there takes you out of mathmode right before the maths and the puts you back in it right after the maths – Au101 Jul 14 '17 at 2:04
• Also you're using \begin{center} ... \end{center} around a text style equation, is there any reason you aren't displaying it with $...$ or an equation environment – Au101 Jul 14 '17 at 2:04
• That's alright, there's also no need to load amsfonts if you load amssymb since amssymb itself loads amsfonts – Au101 Jul 14 '17 at 2:33
• Are you certain of that input encoding? Most editors default to unicode these days. – cfr Jul 14 '17 at 2:44