ˈeɪtʃ. ˈɛs. ˈɛm. kˈɑːksɛɾɚɹ əbzˈɜːvd ðæt ɪz ˌaɪsəmˈoːɹfɪk tʊ ɐ pˌɑːlɪnˈoʊmɪəl ˈældʒᵻbɹə ɪn vˈɛɹɪəbəlz sˈiː ʃˈɛvɐli ʃˈɛfɑːɹd tˈɑːd θˈiəɹəm fɚɹə mˈoːɹ dʒˈɛnɚɹəl stˈeɪtmənt.
H. S. M. Coxeter observed that  is isomorphic to a polynomial algebra in  variables (see Chevalley–Shephard–Todd theorem for a more general statement).