1. If I like it, it's mine.
  2. If it's in my hand, it's mine.
  3. If I can take it from you, it's mine.
  4. If I had it a little while ago, it's mine.
  5. If it's mine, it must never appear to be yours in any way.
  6. If I'm doing or building something, all the pieces are mine.
  7. If it looks just like mine, it's mine.
  8. If I think it's mine, it's mine.
  9. If it could possibly be mine, it's mine.
  10. If I. . .OOPS! I'm sorry, I goofed! Instead of typing in the Toddler Property Laws, I've been typing in Bill Gates' Primary Business Plan For Microsoft.