Postulates

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  • Volume 3 of three-volume set containing complete English text of all 13 books of the Elements plus critical apparatus analyzing each definition, postulate, and proposition in great detail. Covers textual and linguistic matters; mathematical analyses of Euclid's ideas; classical, medieval, Renaissance and modern commentators; refutations, supports, extrapolations, reinterpretations and historical notes. Vol. 3 includes Books X-XIII: Commensurable magnitudes, solids, cones, cylinders.

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  • Chapter 1 - Introduction and basic concepts. The objectives of Chapter 1 are to: Identify the unique vocabulary associated with thermodynamics through the precise definition of basic concepts to form a sound foundation for the development of the principles of thermodynamics; review the metric SI and the English unit systems that will be used throughout the text; explain the basic concepts of thermodynamics such as system, state, state postulate, equilibrium, process, and cycle; review concepts of temperature, temperature scales, pressure, and absolute and gage pressure.

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  • Khoa học và Kỹ thuật máy tính - Bộ môn kỹ thuật máy tính 2 Cơ sở toán học cho các hệ thống số là đại số Boolean (Boolean algebra) George Boole giới thiệu vào năm 1854 Tương tự các hệ đại số khác, được xây dựng thông qua việc xác định nghĩa những vấn đề cơ bản sau: Miền (domain), là tập hợp (set) các phần tử (element) mà trên đó định nghĩa nên hệ đại số Các phép toán (operation) thực hiện được trên miền Các định đề (postulate), hay tiên đề (axiom)...

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  • Dreaming has fascinated humankind since the dawn of recorded history. As dreaming is so vivid, so complex, and so emotional , it has inspired religious movements , artistic representations, and introspective scientific theories. All of these pre-modern expressions have been based on the idea that dreams contain messages that cannot be delivered in any other way. Thus, i t was thought by the early Judaeo-Christians that God communicated his intentions via certain prophets to his human subjects.

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  • BRIEF HISTORY OF RF AND MICROWAVE WIRELESS SYSTEMS The wireless era was started by two European scientists, James Clerk Maxwell and Heinrich Rudolf Hertz. In 1864, Maxwell presented Maxwell's equations by unifying the works of Lorentz, Faraday, Ampere, and Gauss. He predicted the propagation of electromagnetic waves in free space at the speed of light. He postulated that light was an electromagnetic phenomenon of a particular wavelength and predicted that radiation would occur at other wavelengths as well.

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  • Grice postulated a general "Cooperative Principles" and four "maxims" specifying how to be cooperative It is common knowledge, he asserted, that people generally follow these rules for efficient communication.

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  • This chapter offers an introduction to software based radio (SBR), discusses some top-level global drivers for (SBR) designs, and postulates potential evolutionary implications for software radio in one key market space (commercial wireless).

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  • The wireless era was started by two European scientists, James Clerk Maxwell and Heinrich Rudolf Hertz. In 1864, Maxwell presented Maxwell's equations by unifying the works of Lorentz, Faraday, Ampere, and Gauss. He predicted the propagation of electromagnetic waves in free space at the speed of light. He postulated that light was an electromagnetic phenomenon of a particular wavelength and predicted that radiation would occur at other wavelengths as well. His theory was not well accepted until 20 years later, after Hertz validated the electromagnetic wave (wireless) propagation.

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  • Harrison's Internal Medicine Chapter 66. Stem Cell Biology Stem Cell Biology: Introduction Stem cell biology is a relatively new field that explores the characteristics and possible clinical applications of the different types of pluripotential cells that serve as the progenitors of more differentiated cell types. In addition to potential therapeutic applications (Chap. 67), patient-derived stem cells can also provide disease models and a means to test drug effectiveness.

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  • Dreams puzzled early man, Greek philosophers spun elaborate theories to explain human memory and perception, Descartes postulated that the brain was filled with "animal spirits," and psychology was officially deemed a "science" in the 19th century. In this Fifth Edition, B.R. Hergenhahn demonstrates that most of the concerns of contemporary psychologists are manifestations of themes that have been part of psychology for hundreds-or even thousands-of years.

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  • THE GENERAL THEORY 2. THE POSTULATES OF THE CLASSICAL ECONOMICS 3. THE PRINCIPLE OF EFFECTIVE DEMAND Book II: Definitions and Ideas 4. THE CHOICE OF UNITS 5. EXPECTATION AS DETERMINING OUTPUT AND EMPLOYMENT 6. THE DEFINITION OF INCOME, SAVING AND INVESTMENT o APPENDIX ON USER COST 7. THE MEANING OF SAVING AND INVESTMENT FURTHER CONSIDERED Book III: The Propensity to Consume 8. THE PROPENSITY TO CONSUME: I. THE OBJECTIVE FACTORS 9. THE PROPENSITY TO CONSUME: II. THE SUBJECTIVE FACTORS 10. THE MARGINAL PROPENSITY TO CONSUME AND THE MULTIPLIER Book IV: The Inducement to Invest 11.

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  • Nevertheless, vitalism continued to find its way into the description of life processes. For instance, Pasteur writing about his discovery of the importance of oxygen availability for sugar fermentation by yeast, to be later known as the Pasteur effect, argued for the exclusive dependency of intact cell structure, a variant of cell theory postulated by Matthias Schleiden, Theodor Schwann, and their predecessors, and “ferments”, a set of biocatalysts represented as vital forces.

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  • Immune system is composed of innate and adaptive responses and plays critical roles in cancer development and destruction. A century ago, Paul Ehrlich postulated that cancer would be quite common in long-lived organisms if not for the protective effects of immunity. About 50 years later, Burnet and Thomas proposed the concept of cancer immunosurveillance based on the experimental evidence of immune recognition of tumor antigens expressed on tumor cells (Dunn et al. 2004 ) . In 1971, the US Congress created a National Cancer Act – a War on Cancer.

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  • In his prologue to ‘The Go-Between’ L.P. Hartley wrote: ‘The past is a foreign country: they do things differently there.’ He might have been describing quantum mechanics, which goes some way to explaining why it is normally only the denizens of that strange land, the theoreticians, who dare to enter into print about it. So what is a self-confessed experimentalist doing there?

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  • Introduction In 1903 Voronoi [42] postulated the existence of explicit formulas for sums of the form (1.1) n≥1 an f (n) , for any “arithmetically interesting” sequence of coefficients (an )n≥1 and every f in a large class of test functions, including characteristic functions of bounded intervals. He actually established such a formula when an = d(n) is the number of positive divisors of n [43]. He also asserted a formula for (1.2) an = #{(a, b) ∈ Z2 | Q(a, b) = n} , where Q denotes a positive definite integral quadratic form [44]; ...

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  • The postulate In 1864, James Clerk Maxwell proposed one of the most successful theories in the history of science. In a famous memoir to the Royal Society [125] he presented nine equations summarizing all known laws on electricity and magnetism. This was more than a mere cataloging of the laws of nature. By postulating the need for an additional term to make the set of equations self-consistent, Maxwell was able to put forth what is still considered a complete theory of macroscopic electromagnetism.

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  • Transnational flows of people, financial resources, goods, information and culture have recently been increasing in a drastic way and have profoundly transformed the world (Ritzer and Malone, 2001). This phenomenon has been labeled globalization. As a result, a great deal of debate and discussion, even controversy (Bird and Stevens, 2003) has taken place about globalization in various disciplines from different angles. In fact, there seems to be a controversy in regards to globalization and the contradictory meanings associated with it.

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  • Not Otherwise Specified [NOS]). We also review functional brain imaging studies of patients with various forms of conversion disorder (e.g. psychogenic motor or sensory changes, psychogenic blindness, pseudoseizures) as well as depersonalization disorder. As hypnotizability traits have been postulated to be associated with a higher tendency for developing dissociative symptoms, we briefly refer to functional imaging studies of hypnosis.

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  • The sensory networks that transduce information starting with the capture of a photon into a suite of downstream responses are well known. Historically these pigments were postulated to control various aspects of plant growth and development, particularly germination, phototropic movements and the transition between vegetative and reproductive growth. Long before the genes and proteins were identified and characterized, a tremendous body of work produced evidence of their activities and effects on physiology. Light quality effects on germination were examined by Lewis H.

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  • According to classical physics the particle cannot be a wave, and the wave cannot be a particle. However, Einstein, while explaining the photoelectric effect (PEE), postulated that electromagnetic radiation has a dual wave-particle nature. He used the term photon to refer to the particle of electromagnetic radiation. He proposed a simple equation to relate the energy of the photon E to the frequency n and wavelength l of electromagnetic wave.

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