\begin{Schunk}
\begin{Sinput}
 plot(x, y, type = "n", xlab = "x", ylab = expression(F(x^u)), main = "", ylim = c(0, 
      1.2), bty = "L")
 lines(c(1, 1), c(0, 1), lty = 2)
 lines(c(0, 1), c(0, 1), lty = 1)
 lines(c(0.3, 0.3), c(0, 0.3), lty = 4)
 lines(c(0.5, 0.5), c(0, 0.5), lty = 4)
 lines(c(0.7, 0.7), c(0, 0.7), lty = 4)
 text(0.3, 0.45, expression(F(0.3)))
 text(0.5, 0.65, expression(F(0.5)))
 text(0.7, 0.85, expression(F(0.7)))
 lines(c(0, 1), c(0, 0), lwd = 0.3)
\end{Sinput}
\end{Schunk}
