## The Rigor of Fuzzy Sets

Perhaps "fuzzy set theory", "fuzzy arithmetic", and "fuzzy rules" could have been named something a bit less mock-worthy. The word "fuzzy" has English synonyms "blurred", "unfocused", and the worst "ill-defined". However, fuzzy set theory is anything but fuzzy. Maybe cuddly and fun, but certainly not ill-defined. We'll take a look in this post at what…