Science and pseudoscience – Falsifiability

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The delimitation between science and pseudoscience is part of the more general task of determining which beliefs are epistemologically justified. Science can be described as partly descriptive, partly normative. A definition of science can focus on descriptive content and specify … Read More

Grandfather paradox in time travel

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(Top: original billiard ball trajectory. Middle: the billiard ball emerges from the future, and delivers its past self a strike that averts the past ball from entering the time machine. Bottom: the billiard ball never enters the time machine, giving … Read More

Karl Popper’s demarcation problem

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Karl Popper, as a critical rationalist, was an opponent of all forms of skepticism, conventionalism and relativism in science. In 1935 he wrote Logik der Forschung. Zur Erkenntnistheorie der modernen Naturwissenschaft, later translating the book into English and publishing it under the … Read More

Newton’s action at a distance – Different views

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Different authors have attempted to clarify the aspects of remote action and God’s involvement on the basis of textual investigations, mainly from the Mathematical Principles of Natural Philosophy, (Newton, 1999b) Newton’s correspondence with Richard Bentley (1692/93), (Bentley 1693) and Queries … Read More

Time Travel

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Time travel involves traveling in a time different from the present, in the past or in the future, basically without a space travel with reference to a local coordinate system. Time travel can be made by a material body that … Read More

History of physics in prehistory and antiquity

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The history of physics traces the origin and evolution of currents of thought and knowledge in the physical sciences. Themes Several parallel issues overlap over the centuries: determinism and probabilistic physics; Laplace has scarcely conceived the project of a total … Read More

Nature of scientific concepts

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 (Naïve realism argues we perceive the world directly) Science is concerned both by the utterance of hypotheses concerning the nature of the world, and the verification of these theories as adequate to reality according to an experimental method, which differs … Read More

Scientific laws

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A scientific law is a scientific proposition that affirms a constant relationship between two or more variables or factors, each of which represents a property or measurement of specific systems. It is also defined as a constant and invariable rule and norm of things, arising from its first cause or its qualities and conditions. It … Read More

Natural philosophy

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Natural philosophy, known in Latin as philosophia naturalis, is an expression that applied to the objective study of nature and the physical universe that reigned before the development of modern science. Traditionally allied with natural theology, it used to designate … Read More

Scientific methods

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The acquired knowledge can only be qualified as scientific if the scientificity of the obtaining process has been demonstrated. The “scientific method” (ancient Greek methodos, “pursuit, research, plan”) is “the set of reasoned processes to achieve a goal; this one … Read More

Scientific methods within the context of justification

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Hans Reichenbach, who was close to logical positivism, distinguished between the context of justification and the context of discovery. The context of discovery refers to the process that results in proposing a theoretical result, whereas the context of justification concerns … Read More

Philosophy of science

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Philosophy of science is the branch of philosophy that studies the philosophical underpinnings, systems and implications of science, whether natural sciences (physics, biology, etc.) or social sciences (psychology, economics , etc.). The philosophy of science is closer to epistemology and … Read More

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