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A quantifiable physical property is called physical quantity. Measurable physical quantities are often referred to as observables . Some physical properties are qualitative , such as shininess , brittleness , etc.; some general qualitative properties admit more specific related quantitative properties, such as in opacity , hardness , ductility ...
The word ‘number’ belongs to a noun of multitude standing either for a single entity or for the individuals making the whole. An amount in general is expressed by a special class of words called identifiers, indefinite and definite and quantifiers, definite and indefinite.
The word fact derives from the Latin factum. It was first used in English with the same meaning: "a thing done or performed" – a meaning now obsolete. [3] The common usage of "something that has really occurred or is the case" dates from the mid-16th century. [3]
An old term of venery, meaning means ‘a pair of [some animal, especially birds] caught in the hunt’. Also a measure of length, originally representing a person's outstretched arms. Couple: 2 A set of two of items of a type Century: 100
The ease of quantification is one of the features used to distinguish hard and soft sciences from each other. Scientists often consider hard sciences to be more scientific or rigorous, but this is disputed by social scientists who maintain that appropriate rigor includes the qualitative evaluation of the broader contexts of qualitative data.
The unambiguous meaning of the quantum measurement is an unresolved fundamental problem in quantum mechanics; the most common interpretation is that when a measurement is performed, the wavefunction of the quantum system "collapses" to a single, definite value.
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The meaning of the assertion in which the order of quantifiers is reversed is different: There exists a natural number s such that for every natural number n , s = n 2 . This is clearly false; it asserts that there is a single natural number s that is the square of every natural number.