Lawyer: If you take something that you have good reason to think is someone else' s property, that is stealing, and stealing is wrong. However, Meyers had no good reason to think that the compost in the public garden was anyone else' s property
it was not wrong for Meyers to take it.
concludes that something is certainly someone else's property when there is merely good, but not conclusive, reason to think that it is someone else's property