Show how to shorten the definition of isVowel by using occurs. Write the shorter definition of isVowel. (A character is a vowel if it occurs in string "aeiouy".)

 

    [Language: Cinnameg  Kind: function definition*]

(*You can define more than one function if you put a semicolon between definitions (but not between cases of one definition). Be sure to define a function before you use it.)