toLatex (Function "pow" [a, b]) = group (toLatex a) ++ "^" ++ group (toLatex b)
toLatex (Function "pow" [a, b]) = group (toLatex a) ++ "^" ++ group (toLatex b)
toLatex (Function "pow" [a, b]) = group (toLatex a) ++ "^" ++ group (toLatex b)