Questions tagged [quantity]

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What is a physical quantity in science?

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 ...
2 votes
5 answers
156 views

Is being non existent the same as being zero in quantity

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 ...
0 votes
3 answers
105 views

Question about the difference between qualitative and quantitative reasoning

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 ...