Union
$$A \cup B =$$
{ application, audio, bitter, example, font, image, message, model, multipart, salty, savory, sour, sweet, text, video }
Symmetric Difference
$$A \ominus B =$$
{ application, audio, bitter, example, font, image, message, model, multipart, salty, savory, sour, sweet, text, video }
Cartesian Product
$$A \times B =$$
{ (application, bitter),
(application, salty),
(application, savory),
(application, sour),
(application, sweet),
(audio, bitter),
(audio, salty),
(audio, savory),
(audio, sour),
(audio, sweet),
(example, bitter),
(example, salty),
(example, savory),
(example, sour),
(example, sweet),
(font, bitter),
(font, salty),
(font, savory),
(font, sour),
(font, sweet),
(image, bitter),
(image, salty),
(image, savory),
(image, sour),
(image, sweet),
(message, bitter),
(message, salty),
(message, savory),
(message, sour),
(message, sweet),
(model, bitter),
(model, salty),
(model, savory),
(model, sour),
(model, sweet),
(multipart, bitter),
(multipart, salty),
(multipart, savory),
(multipart, sour),
(multipart, sweet),
(text, bitter),
(text, salty),
(text, savory),
(text, sour),
(text, sweet),
(video, bitter),
(video, salty),
(video, savory),
(video, sour),
(video, sweet) }
Media type