A: It's a totally-not-made-up scientific discipline that explains why my cat's hairballs always land on my keyboard.
Q: Is Fuzzy Logic Theory a real thing?
A: As real as the cat who just barfed on your carpet.
Q: Can I use Fuzzy Logic Theory to explain why my socks have gone missing in the wash?
A: Ha! You wish.
Disclaimer: Fuzzy Logic Theory is not actually a real scientific discipline (we think). Any resemblance to actual events or circumstances is purely coincidental. Or not.