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While the proofs by infinite descent are constructively valid when "irrational" is defined to mean "not rational", we can obtain a constructively stronger statement by using a positive definition of "irrational" as "quantifiably apart from every rational". Let a and b be positive integers such that 1< a / b < 3/2 (as 1<2< 9/4 satisfies ...
Notation for the (principal) square root of x. For example, √ 25 = 5, since 25 = 5 ⋅ 5, or 5 2 (5 squared). In mathematics, a square root of a number x is a number y such that =; in other words, a number y whose square (the result of multiplying the number by itself, or ) is x. [1]
This aim of understanding the biochemistry of a cell reaches its most complex expression in the synthesis of huge amounts of enzyme kinetic and gene expression data into mathematical models of entire organisms. This is achievable in some well-studied bacteria, with models of Escherichia coli metabolism now being produced and tested.
The history of scientific method considers changes in the methodology of scientific inquiry, not the history of science itself. The development of rules for scientific reasoning has not been straightforward; scientific method has been the subject of intense and recurring debate throughout the history of science, and eminent natural philosophers and scientists have argued for the primacy of ...
The military metaphors also help rationalize radical, destructive treatments. [ 239 ] [ 240 ] In the 1970s, a relatively popular alternative cancer treatment in the US was a specialized form of talk therapy , based on the idea that cancer was caused by a bad attitude. [ 241 ]
Although lesbian-feminism was a significant shift, not all lesbians agreed with it. Lesbian-feminism was a youth-oriented movement: its members were primarily college educated, with experience in New Left and radical causes, but they had not seen any success in persuading radical organizations to take up women's issues.
His research using images was expanded in his 1872 book The Expression of the Emotions in Man and Animals, one of the first books to feature printed photographs, which discussed the evolution of human psychology and its continuity with the behaviour of animals. Both books proved very popular, and Darwin was impressed by the general assent with ...
Even as early as 1990, the Immersionists warned of such radical neighborhood exploitation in the announcement for their seminal event, the Sex Salon: "Bring your sensuous images, poems, sounds and self, not your speculation capital.” [18] In 1992, Waterfront Week took a formal stand against the city's plans to privilege developers over residents.