A page from a book with a heading that reads 'SEQUENTIAL RULES' in green. Below the heading, there is a paragraph of text that starts with 'To find on all the phonemes of a language to only part of the task of the phonologist he also has to find out in what way the phonemes can be concluded.' The text is in a different language, possibly German, and is accompanied by a table with phonemes and their corresponding letters. The table has rows labeled 'A', 'B', 'C', and 'D', and columns labeled 'A', 'B', 'C', and 'D'. The