Complex sentence: However, Hurwitz also showed that if we omit the number φ, and numbers derived from it, then we "can" increase the number √ 5, in fact he showed we may replace it with 2 √ 2.
Split into simpler sentences: However, Hurwitz also showed that if we omit the number φ, and numbers derived from it, then we "can" increase the number √ 5. In fact he showed we may replace it with 2 √ 2.