Questions tagged [quantity]

The Wikipedia article on Physical Quantities, says that: The meaning of the term physical quantity is generally well understood (everyone understands what is meant by the frequency of a periodic phenomenon, or the resistance of an electric wire).…

For instance, There does not exist unicorn on earth. There are zero unicorns on earth. How are these two different? One could argue being zero in quantity is a temporal property. The number may change with time. But, is concept of time there in the…

I've been reading what Wikipedia has to say about qualitative and quantitative reasoning and I had a question about the difference. Are qualitative properties always abstractions of quantitative values, meaning can anything considered qualitative be…