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Il y a 3 jours · The theory for this is set down in Chapter 11 of the book Topology and groupoids referred to below. The main result is that for discontinuous actions of a group G on a Hausdorff space X which admits a universal cover, then the fundamental groupoid of the orbit space X / G is isomorphic to the orbit groupoid of the fundamental ...
Il y a 5 jours · Dr. Paul Ekman explains what emotions are and the seven different types of universal emotions. Learn about emotional awareness and facial expressions.
Il y a 5 jours · What is Paul Ekman's theory? Paul Ekman theorized that some basic human emotions (happiness/enjoyment, sadness, anger, fear, surprise, disgust and contempt) are innate and shared by everyone, and that they are accompanied across cultures by universal facial expressions.
Il y a 1 jour · Universals are general, repeatable entities, like the color green. Another contrast is between concrete objects existing in space and time, like a tree, and abstract objects existing outside space and time, like the number 7.
Il y a 1 jour · In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert Einstein's 1905 treatment, the theory is presented as being based on just two postulates:
Il y a 4 jours · The Unitarian theologian Earl Morse Wilbur (1866–1956) advanced the thesis, now widely accepted, that the history of Unitarianism in Poland, Transylvania, England, and America gains unity from certain common themes.
Il y a 4 jours · Johannes Kepler, German astronomer who discovered three major laws of planetary motion. His discoveries turned Nicolaus Copernicus’s Sun-centered system into a dynamic universe, with the Sun actively pushing the planets around in noncircular orbits.
