An occurrence is explained by being related to prior events through known laws. Other intellectual activities may also constitute explanation - but this much certainly does. Ideally, an explained occurrence (0) could have been predicted in a connected way - by extrapolation from prior events (e) via the same laws (L). Schematically, 1 Explanation: 0 -Lt, 2, 3-(e e e )'-AI t 2 3 01 Prediction: (e e e )I-L, 2, 3_ +.11 t 2 3 t Thus Mars' backward loop in late summer, 1956, is explained by showing how this follows from (e ) its ...
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An occurrence is explained by being related to prior events through known laws. Other intellectual activities may also constitute explanation - but this much certainly does. Ideally, an explained occurrence (0) could have been predicted in a connected way - by extrapolation from prior events (e) via the same laws (L). Schematically, 1 Explanation: 0 -Lt, 2, 3-(e e e )'-AI t 2 3 01 Prediction: (e e e )I-L, 2, 3_ +.11 t 2 3 t Thus Mars' backward loop in late summer, 1956, is explained by showing how this follows from (e ) its mean distance from sun and earth, (e ) its t 2 mean period of revolution, (e ) its past positions relative to earth, etc. 3 - by way of the laws of Celestial Mechanics (including (Lt) Kepler's Laws and Galileo's, (L2) Newton's, and (L3) those of Laplace and Lagrange. Moreover, this loop (0) could have been predicted from such events (e -e ) via the laws of Celestial Mechanics. t 3 This is an ideal situation. It crystallized late in the history of planetary theory.The Greeks found explanations for heavenly motions: the back- ward loops were explained to their satisfaction. But they could not predict these motions, not in terms of Attic explanatory cosmologies.
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Add this copy of Constellations and Conjectures to cart. $43.41, good condition, Sold by Anybook rated 5.0 out of 5 stars, ships from Lincoln, UNITED KINGDOM, published 1973 by D. Reidel Publishing Company.
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Seller's Description:
This is an ex-library book and may have the usual library/used-book markings inside. This book has hardback covers. Clean from markings. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item, 650grams, ISBN: 902770192X.
Add this copy of Constellations and Conjectures to cart. $52.00, good condition, Sold by Row by Row Bookshop rated 5.0 out of 5 stars, ships from Sugar Grove, NC, UNITED STATES, published 1973 by D. Reidel Publishing.
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Seller's Description:
Good. No Dust Jacket. An ex-library copy in original dark gray cloth lettered in gold. The usual ex-libris markings. The binding is sound, the text is clean/unmarked, and there is little cover wear. No dust jacket.
Add this copy of Constellations and Conjectures to cart. $60.00, very good condition, Sold by Common Crow Books rated 5.0 out of 5 stars, ships from Pittsburgh, PA, UNITED STATES, published 1973 by D. Reidel.
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Seller's Description:
Near Fine in Very good+ jacket. Hardcover with blue cloth boards in dust jacket, 1973, octavo, 282pp., illustrated in b&w. Book near fine with hint of wear to spine ends, binding tight, text clean and unmarked. DJ VG+ with toning, rubbing.
Add this copy of Constellations and Conjectures to cart. $98.00, very good condition, Sold by Brian Bauld (B-Line Books) rated 4.0 out of 5 stars, ships from Amherst, NS, CANADA, published 1973 by D. Reidel.
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Near Fine in Very Good dust jacket. 902770192X. Tight bright unmarked book in crisp dust jacket with sunned edges and touch of edgewear.; Synthese Library; 0.85 x 9.56 x 6.48 Inches; 282 pages.
Add this copy of Constellations and Conjectures (Synthese Library, 48) to cart. $119.53, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 1973 by Springer.
