Lakatos on justificationism

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The methodology of scientific research programmes is an improvement of Popper’s demarcation criterion between science and non-science, a theory of scientific rationality. For Popper, a theory is scientific only if it is empirically falsifiable, that is, if it is possible … Read More

About God in Newton’s correspondence with Richard Bentley and Queries in Opticks

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Correspondence with Richard Bentley In Newton’s correspondence with Richard Bentley, Newton rejected the possibility of remote action, even though he accepted it in the Principia. On February 25, 1692/93, in the third letter addressed to Bentley, Newton wrote: “It is … Read More

Newton’s Principia on God-mediated action

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As John Henry states, (Henry 2011) Newton simply wants to reaffirm the truth of God’s omnipresence without directly involving him in the physics of the world system. Newton simply wants to distance himself from a Cartesian concept of God and … Read More

Space, time, and time travel

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Newton supported the idea of absolute time, unlike Leibniz, for which time is only a relation between events and cannot be expressed independently, a statement in concordance with the relativity of space-time. (Crisp 2007) Eternalism claims that the past and … Read More

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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Sfetcu, Nicolae, ” Karl Popper’s demarcation problem “, SetThings (January 24, 2019), MultiMedia Publishing (ed.), URL = https://www.setthings.com/en/karl-poppers-demarcation-problem/ Email: nicolae@sfetcu .com  This book is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International. To view a copy of this license, visit http://creativecommons.org/licenses/by-nd/4.0/. … 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

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