definite problem

  • 81The Law of Conservation of Energy —     The Law of Conservation of Energy     † Catholic Encyclopedia ► The Law of Conservation of Energy     Amongst the gravest objections raised by the progress of modern science against Theism, the possibility of Miracles, free will, the… …

    Catholic encyclopedia

  • 82Deconstruction and Derrida — Simon Critchley and Timothy Mooney DERRIDIAN DECONSTRUCTION1 In the last twenty five years or so, particularly in the English speaking world, no philosopher has attracted more notoriety, controversy and misunderstanding than Jacques Derrida.… …

    History of philosophy

  • 83Quantum decoherence — Quantum mechanics Uncertainty principle …

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  • 84Estimation of covariance matrices — In statistics, sometimes the covariance matrix of a multivariate random variable is not known but has to be estimated. Estimation of covariance matrices then deals with the question of how to approximate the actual covariance matrix on the basis… …

    Wikipedia

  • 85Matrix (mathematics) — Specific elements of a matrix are often denoted by a variable with two subscripts. For instance, a2,1 represents the element at the second row and first column of a matrix A. In mathematics, a matrix (plural matrices, or less commonly matrixes)… …

    Wikipedia

  • 86Union of Christendom — • Includes the Catholic Church together with the many other religious communions which have either directly or indirectly, separated from it Catholic Encyclopedia. Kevin Knight. 2006. Union of Christendom     Union of Christend …

    Catholic encyclopedia

  • 87Teaching of St. Augustine of Hippo —     Teaching of St. Augustine of Hippo     † Catholic Encyclopedia ► Teaching of St. Augustine of Hippo     St. Augustine of Hippo (354 430) is a philosophical and theological genius of the first order, dominating, like a pyramid, antiquity and… …

    Catholic encyclopedia

  • 88List of philosophy topics (D-H) — DDaDai Zhen Pierre d Ailly Jean Le Rond d Alembert John Damascene Damascius John of Damascus Peter Damian Danish philosophy Dante Alighieri Arthur Danto Arthur C. Danto Arthur Coleman Danto dao Daodejing Daoism Daoist philosophy Charles Darwin… …

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  • 89Unsolved problems in philosophy — This article deals mainly with unsolved problems in analytic philosophy. For other schools of philosophy, this concept is not well defined. Philosophical problems are unlike scientific or mathematical problems in that problems in philosophy are… …

    Wikipedia

  • 90analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …

    Universalium