<p>Let <img alt="Sigma" src="https://latex.codecogs.com/gif.latex?%5CSigma" aria-describedby="d3f"/> be an alphabetand <img alt="A subseteq Sigma ^*" src="https://latex.codecogs.com/gif.latex?A%20%5Csubseteq%20%5CSigma%20%5E*" aria-describedby="d3g"/> be a language. Prove or disprove the following statements:</p><p>(i) <img alt="ACA" src="https://latex.codecogs.com/gif.latex?A%20%5Csubseteq%20A%5E2" aria-describedby="d3h"/></p><p>(ii) If <img