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XVII What 1s an Emp1r1cal Sc1ence?
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analysis analysis situs argument assume atom believe belongs body called causal action causal laws causal theory chapter co-ordinates co-punctual colour common sense compresent concerned connected consider consists contained continuous correlated deduce define definition dictaphone difficulty distance Eddington electrons and protons empirical energy equations Euclidean space exist fact finite formula geodesic geometry given gravitation group of events happens hypothesis important induction inference interpretation interval involved knowledge Leibniz light light-ray light-wave logical means measure mental method motion naive realism nature observer occur orbit perceive percipient periodic process phenomena philosophical physical object physical world piece of matter Planck's constant possible principle problem properties propositions protons pure mathematics quantum theory question radiation regard region scientific seems similar solipsism space space-like space-time steady event stimulus structure substance suppose synthetic proposition tensor theory of relativity thing time-like tion true velocity visual visual percept