Break Resistant Killer Whale, aka Orca Ornament or year round gift. 6 long. See our entire Sea Life Christmas Ornaments collection.
Size zero. For the film, see Size Zero (film). Size zero or size 0 is a women's clothing size in the US catalog sizes system. Size 0 and 00 were invented due to the changing of clothing sizes over time (referred to as vanity sizing or size inflation), which has caused the adoption of lower numbers.
Answer Wiki. Standard Zermelo-Fraenkel (ZF) set theory defines zero as being the empty set, or in mathematical notation 0 = {}. Though it can also be defined as the set that only contains the empty set, but that's somewhat pointless for this situation (I just thought I'd mention it in case someone else uses this definition instead).