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The Grammar of Science

BooksWhale-Ausgabe auf Englisch von Karl Pearson

A foundational philosophy-of-science work on method, causation, measurement, and scientific knowledge.

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The Grammar of Science

The Grammar of Science examines scientific method, causation, law, classification, measurement, and the relation between observation and knowledge. Karl Pearson’s English original remains important for readers of science history, philosophy of science, statistics, and modern empirical thought.

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Karl Pearson died in 1936, and The Grammar of Science was first published in 1892; these dates support the public-domain basis for this original English edition.

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The Grammar of Science

Karl Pearson

VorschaukapitelPREFACE TO THE SECOND EDITIONVorschau

DURING the eight years which have elapsed since this Grammar was first published, the views expounded in it have undoubtedly met with wider acceptance than the author in the least anticipated. There are many signs that a sound idealism is surely replacing, as a basis for natural philosophy, the crude materialism of the older physicists. More than one professor of metaphysics has

Vorschaukapitelactually discovered that he can best attack " modern "Vorschau

science by criticising ancient statements as to mechanism from a standpoint remarkably similar to that of the Grammar. Step by step men of science are coming to recognise that mechanism is not at the bottom of phenomena, but is only the conceptual shorthand by aid of which they can briefly describe and resume phenomena. That all science is description and not explanation, that t the mystery of change in the inorganic world is just as / great and just as omnipresent as in the organic world,/ are statements which will appear platitudes to the next/ generation. Formerly men had belief as to the super- sensuous, and thought they had knowledge of the sensuous. The science of the future, while agnostic as to the supersensuous, will replace knowledge by belief in the perceptual sphere, and reserve the term knowledge for the rnnrqptnal sphere — the region of their own concepts and ideas — of ether, atom, organic corpuscle, and

vital force — of physical and plasmic mechanics. That this change of view as to the basis of science cannot take place without misunderstanding,1 or without giving an opportunity to those who dislike science to decry its weaknesses, is only natural. To change the basis of operations during a campaign always gives a chance to the enemy, but the chance must be risked if thereby we place ourselves permanently in a position of greater strength for offence and defence. If the reader questions whether there is still war between science and dogma, I must reply that there always will be as long as know- ledge is opposed to ignorance. To know requires exertion, and it is intellectually easiest to shirk effort altogether by accepting phrases which cloak the unknown in the undefinable.

Meanwhile the need for remodelling the fundamental mechanical principles as we find them stated in elementary text-books of physics and dynamics remains as urgent as ever. Professor A. E. H. Love is, indeed, to be con- gratulated in having in his Theoretical Mechanics'* ventured a good way in the right direction, but his work will hardly be used for elementary science teaching, and it is through the latter only that we can hope to give the new and sounder scientific conceptions general currency. For the present the Grammar may yet be of service. After an eight years' life and an issue of some 4000 copies, it reappears in a revised and enlarged form. The chief additions are Chapters X. and XI., dealing with funda- mental conceptions in the field of biological science. The progress in this direction during the last few years

1 See, for example, Mr. St. George Mivart's attack on the present work as essentially materialistic \-Fortnightly Review, 1896.

2 Cambridge University Press, 1897. That a -well-known Harvard Professor should have used the Grammar as a basis for the term's discussions in his post-graduate Seminar is another hopeful sign that many minds are being stirred to reconsider the fundamental concepts of science.

enables me to define several of these conceptions much more accurately than was possible in 1892, and to indicate, if only in vague outline, what a fascinating field is being here transferred from the synoptic to the precise division of science (p. 5 1 3). Many changes have been made in the wording, but few in the substance of the earlier parts of this book. For valuable suggestions in

Inhaltsverzeichnis

In dieser Ausgabe

  1. 01Full text
  2. 02PREFACE TO THE SECOND EDITION
  3. 03actually discovered that he can best attack " modern "
  4. 04Chapters X. and XI. I have to thank Mr. Francis Galton,
  5. 05PREFACE TO THE FIRST EDITION
  6. 06book is primarily intended as a criticism of the funda-
  7. 07CHAPTER I
  8. 08INTRODUCTORY — THE SCOPE AND METHOD OF
  9. 09SCIENCE
  10. 10i
  11. 11X —
  12. 12INTRODUCTORY n
  13. 13action !) ; the post-Kantians (notably Hegel and Schopenhauer), and their
  14. 14INTRODUCTORY
  15. 15INTRODUCTORY
  16. 16action — we have a result which, if of striking interest to
  17. 17INTRODUCTORY
  18. 18SUMMARY
  19. 19LITERATURE
  20. 20CHAPTER II
  21. 21THE FACTS OF SCIENCE
  22. 22actions on my part appear of totally different character —
  23. 23actual relations between the psychical and physical aspects
  24. 24actually been deduced by a majority of normal human
  25. 25particular to the chapters on inference and induction in
  26. 26actually get to this supposed world outside ourselves ? Just
  27. 27particular network of wires, so ours is conditioned by our
  28. 28activity of certain optic nerves. These sense-impressions
  29. 29part of that group of sense-impressions which I term
  30. 30Chapter VII.
  31. 31SUMMARY
  32. 32LITERATURE
  33. 33CHAPTER III
  34. 34THE SCIENTIFIC LAW
  35. 35particular time ; what is moral is what tends to the welfare
  36. 36Chapter VIII.
  37. 37particular classes of sense-impressions — being like auto-
  38. 38act for any coin but a penny — and having received their
  39. 39partly conditioned by the simplicity of the modes in
  40. 40acter that, when a confused heap of stones was thrown in
  41. 41THE SCIENTIFIC LAW i 1 1
  42. 42SUMMARY
  43. 43LITERATURE
  44. 44CHAPTER IV
  45. 45CAUSE AND EFFECT PROBABILITY
  46. 46CAUSE AND EFFECT— PROBABILITY 115
  47. 47I
  48. 48CAUSE AND EFFECT— PROBABILITY j i 7
  49. 49action, the will of a living agent. I take up a stone ; no one
  50. 50CAUSE AND EFFECT— PROBABILITY 119
  51. 51act of will. Still speaking in the popular sense, we will
  52. 52CAUSE AND EFFECT— PROBABILITY 121
  53. 53particles influence each other's motion. Even if gravita-
  54. 54CAUSE AND EFFECT— PROBABILITY 123
  55. 55action, habit, instinct, etc. In this case both sense-
  56. 56CAUSE AND EFFECT— PROBABILITY 125
  57. 57acts of will as secondary causes in -a long sequence, as
  58. 58action might be described " mechanically." This would
  59. 59CAUSE AND EFFECT— PROBABILITY 127
  60. 60CAUSE AND EFFECT— PROBABILITY 129
  61. 61particular order of the stages in the sequence as in the
  62. 62CAUSE AND EFFECT— PROBABILITY 131
  63. 63CAUSE AND EFFECT— PROBABILITY 133
  64. 64CAUSE AND EFFECT— PROBABILITY 135
  65. 65CAUSE AND EFFECT— PROBABILITY 137
  66. 66CAUSE AND EFFECT— PROBABILITY 139
  67. 67CAUSE AND EFFECT— PROBABILITY 141
  68. 68CAUSE AND EFFECT— PROBABILITY 143
  69. 69CAUSE AND EFFECT— PROBABILITY 145
  70. 70CAUSE AND EFFECT— PROBABILITY 147
  71. 71CAUSE AND EFFECT— PROBABILITY 149
  72. 72SUMMARY
  73. 73CAUSE AND EFFECT— PROBABILITY 151
  74. 74LITERATURE
  75. 75CHAPTER V
  76. 76SPACE AND TIME
  77. 77part ii.).
  78. 78actions of royalty, this association of conceptions is
  79. 79book appears to be separated from the air above it by a
  80. 80SPACE AND TIMi; 173
  81. 81parts of bodies, involving the idea of discontinuity, is one
  82. 82190 THE 'GRAMMAR OF SCIENCE
  83. 83SUMMARY
  84. 84LITERATURE
  85. 85CHAPTER VI
  86. 86THE GEOMETRY OF MOTION
  87. 87action between the parts of the chair changes, when it is
  88. 88THE GEOMETRY OF MOTION
  89. 892OI
  90. 9011 IK GEOMETRY OF MOTION 203
  91. 912O4
  92. 92actually occurring in the world of phenomena. Once
  93. 932IO
  94. 94rH KENSINGTON
  95. 95part i.
  96. 96actual speed will be measured by the slope of the tangent
  97. 9722O
  98. 98V14
  99. 99actually stretched and spun.1 Either method of treating
  100. 100actually added per unit of time in the given direction to
  101. 101U2
  102. 102P P' — P P 4- P P'
  103. 103actual velocities always form the three sides of a triangle
  104. 104SUMMARY
  105. 105LITERATURE
  106. 106part. i. " Kinematics," chaps, i.-iii., v. and vii. London, 1887.
  107. 107CHAPTER VII
  108. 108MATTER
  109. 109Chapter V. we saw that space and time did not themselves
  110. 110MATTER 241
  111. 111MATTER 243
  112. 112book provides us with practically the same definition.
  113. 113MATTER 245
  114. 114MATTER 247
  115. 115MATTER 249
  116. 116MATTER 251
  117. 117MATTER 253
  118. 118MATTER 255
  119. 119WAVE II
  120. 120MATTER 257
  121. 121parts of our body and of external bodies. But it is
  122. 122MATTER 259
  123. 123parts put in relative motion. Further, from Professor
  124. 124MATTER 261
  125. 125MATTER 263
  126. 126parts ; on the other hand, the water is separated by the
  127. 127action — is only a conceptual limit. Such a fluid is
  128. 128MATTER 265
  129. 129particular types of motion in the following manner : Take
  130. 130partially turned round its ball-and-socket joint, will tend
  131. 131particles render steam visible ; but we might blow air-
  132. 132MATTER 267
  133. 133particles, the mass of either corresponding to the mean
  134. 134MATTER 269
  135. 135MATTER
  136. 136MATTER 273
  137. 137action at a distance of millions of miles, we should still
  138. 138MATTER 275
  139. 139particles, the changes of position of which we associate
  140. 140SUMMARY
  141. 141LITERATURE
  142. 142MATTER
  143. 143CHAPTER VIII
  144. 144THE LAWS OF MOTION
  145. 145particle ? He has never perceived the limiting quantity,
  146. 146particles those more complex motions by aid of which
  147. 147particle is made use of by Newton in the statement of
  148. 148#*.# *•*•* ****** **»A«»* "•**'
  149. 149particle to ether-element ? Shall we find our conceptual
  150. 150particles. Individual corpuscles dance in groups, groups
  151. 151particle than to a sun particle, and again the phenomenon
  152. 152particles of different pieces. Hence we conclude that :
  153. 153action between adjacent ether-elements. We should then
  154. 154particular discussion, the field.
  155. 155Chapter VI. (p. 206) we saw that motion is meaningless
  156. 156particular type of ether -motion which constitutes gross
  157. 157action between two prime-atoms. In both cases the
  158. 158particle.
  159. 159introduction of the relative velocity as a factor determin-
  160. 160particles at a distance.
  161. 161action between particles at a distance is to be considered
  162. 162parts of the same river, with which we are unacquainted.
  163. 163chapter, the reader is not to understand that B enforces A's change in motion.
  164. 164Chapter VII. the reader will easily appreciate how idle is
  165. 165partly on the attention it is paying to the presence of a
  166. 166THE LAWS OF MOTION
  167. 167action and reaction between the elementary parts of those
  168. 168parts on each other we must, then, deduce by aid of the
  169. 169action and reaction between ether and gross " matter "
  170. 170particles, we have still to ask how the geometrical forms
  171. 171particle. If we take any homogeneous substance as a
  172. 172particle. In the phenomenon of gravitation aspect does
  173. 173action : Tlie parallelogram of forces is not a synthesis by
  174. 174particles seem to be uninfluenced by the presence of a
  175. 175introduction of a third atom C may even reverse the sense
  176. 176chapter. They are stated generally of bodies, and appear
  177. 177chapters is frequently entitled, Motion of a Body under
  178. 178particles by which we conceptually construct the body.
  179. 179particle. In the next place, the law is very wanting in
  180. 180particles there is no acceleration. This is the important
  181. 181action of two bodies is more complex than a reader just
  182. 182SUMMARY
  183. 183LITERATURE
  184. 184CHAPTER IX
  185. 185LIFE
  186. 186LIFE 329
  187. 187LIFE 331
  188. 188chapter has been included in our volume.
  189. 189LIFE 333
  190. 190LIFE 337
  191. 191LIFE 339
  192. 192LIFE 341
  193. 193LIFE 343
  194. 194LIFE 345
  195. 195LIFE 347
  196. 196LIFE 349
  197. 197LIFI. 353
  198. 198LIFE
  199. 199LIFE 357
  200. 200LIFE 359
  201. 201part real, and due to the fact that in the early stages of
  202. 202LIFE 361
  203. 203LIFE 363
  204. 204LIFE 365
  205. 205partially dormant socialistic spirit, if we as a nation are to
  206. 206parties will be able in the future to differentiate themselves. The due balance
  207. 207LIFE 369
  208. 208partial " solidarity of humanity " which involves a pro-
  209. 209SUMMARY
  210. 210particular, how it is related to that physical selection of more stable inorganic
  211. 211LITERATURE
  212. 212Chapter I.). London, 1884.
  213. 213LIFE 371
  214. 214CHAPTER X
  215. 215EVOLUTION (VARIATION AND SELECTION)
  216. 216parts of one beech tree, and twenty to thirty leaves from a
  217. 2172O
  218. 218EVOLUTION
  219. 219II
  220. 220BEECH LEAVES. FREQUENCY OF DIFFERENT TYPES OF LEAVES
  221. 221ii
  222. 222i
  223. 223I
  224. 224POPPY CAPSULES. FREQUENCY OF DIFFERENT SERIES OF STIGMATIC
  225. 225BANDS
  226. 226TTU
  227. 227i
  228. 228EVOLUTION
  229. 229INDIVIDUALS AND IN A
  230. 230LOCAL RA
  231. 231(//O
  232. 232I
  233. 233V
  234. 234V
  235. 235X
  236. 236ll
  237. 237'--I*/)
  238. 238I-2I3
  239. 239POPPIES, STIGMATIC BANDS
  240. 240EVOLUTION
  241. 241ii
  242. 242ii
  243. 243ii
  244. 244i
  245. 245II
  246. 246i
  247. 247I78
  248. 248II
  249. 249II
  250. 250J3
  251. 251ii
  252. 252i
  253. 2533P8
  254. 254III
  255. 255ii
  256. 2562SO
  257. 257IO
  258. 2582 2OO
  259. 259ii
  260. 260i
  261. 261II
  262. 262IS
  263. 263IO
  264. 264II
  265. 26522OO
  266. 2667-II
  267. 267IO. 12
  268. 268EVOLUTION
  269. 2695 6 7 8 9 10 11 JZ 13 J4- /5 J6
  270. 270V
  271. 271IS
  272. 272IB
  273. 273D
  274. 274A
  275. 275J
  276. 276E)1
  277. 277V
  278. 278B
  279. 279[TABLE
  280. 280Q
  281. 281X
  282. 282H
  283. 283M
  284. 284W
  285. 285O
  286. 286Q
  287. 287Q
  288. 2881O O
  289. 2896 A A A :
  290. 290ill
  291. 2910H
  292. 2922 S
  293. 293•S B
  294. 294« 2 S
  295. 295K-
  296. 296«• S ."
  297. 297parts more closely associated with each other than with
  298. 298parts.
  299. 299acter? Frankly I must confess that no statement on this
  300. 300particular character.
  301. 301i
  302. 302II
  303. 303M
  304. 304IOO
  305. 305IOO
  306. 306IOO
  307. 307EVOLUTION
  308. 3081X3 + 56789 k/0 // JZ 13 14- 15 J6 17
  309. 309SUMMARY
  310. 310LITERATURE
  311. 311CHAPTER XI
  312. 312EVOLUTION (REPRODUCTION AND INHERITANCE)
  313. 313chapter, we are likely to slip into obscure statements.
  314. 314i
  315. 315I
  316. 316i
  317. 317I
  318. 318II
  319. 319I
  320. 320i
  321. 321O
  322. 322i
  323. 323i
  324. 324I
  325. 325i
  326. 3262O
  327. 327I
  328. 328acter, here there is no true quantitative scale at all ; our
  329. 329EVOLUTION
  330. 330N
  331. 331N
  332. 332N
  333. 333N
  334. 334»4X«I6
  335. 335N
  336. 336N
  337. 337N
  338. 338N
  339. 339EVOLUTION
  340. 340EVOLUTION
  341. 341ii
  342. 342M
  343. 343J8
  344. 344i
  345. 345ii
  346. 346i
  347. 347ii
  348. 348J3
  349. 349M
  350. 350J9
  351. 351acter, as by counting, weighing, or otherwise measuring the seed from the
  352. 352acter for a given form of life. Thus it seems possible to
  353. 353EVOLUTION
  354. 354acters. I cannot doubt the existence of genetic
  355. 355D F
  356. 356part represented by AaF. Now there is scarcely any
  357. 357parthenogenetic mother, and of course still more variability
  358. 358parts of an individual are not identical. What is the
  359. 359T-
  360. 360m
  361. 361K
  362. 362•R
  363. 363SS
  364. 364K
  365. 365i
  366. 366K
  367. 367m
  368. 368d
  369. 369U
  370. 370K
  371. 371m
  372. 372O
  373. 373m
  374. 374•O
  375. 375i
  376. 376C
  377. 377V?
  378. 378i
  379. 3795J
  380. 3805J
  381. 381•J34
  382. 382.4S42±.0230
  383. 383books, but only the fecundity, i.e. the ratio of foals surviv-
  384. 384parthenogenetic reproduction, and further in the un-
  385. 385acters. Again, let \, 28> 28, . . . 210 . . . be the standard
  386. 386" H10+
  387. 387J
  388. 388EVOLUTION
  389. 389.ICOO
  390. 390INVOLUTION
  391. 391TAKI.K OK COLLATERAL HEREDITY
  392. 392.I5CO
  393. 393EVOLUTION
  394. 394I
  395. 395i
  396. 396acter differing Ht from the type be selected, the offspring
  397. 397EVOLUTION
  398. 398TABLE OF PEDIGREE STOCK
  399. 399•M59
  400. 400I
  401. 401actual correlation observed will be |- unity or .5. Simi-
  402. 402TABLE OF INTENSITIES OF INHERITANCE
  403. 403INVOLUTION
  404. 404INTENSITY OF EVE-COLOUR INHERITANCE
  405. 405EVOLUTION
  406. 406acters and organs of the individual. Looked at from
  407. 407«- I\2 _.2C
  408. 408EVOLUTION
  409. 409'I 55
  410. 410I65
  411. 411DIAGRAM C.IVIM, -IIIK
  412. 412DI-ATH FOK A BH
  413. 413IOOC
  414. 414I.I. D
  415. 415MKAN A(,E OF A MAN Ai
  416. 416T
  417. 417i
  418. 418L
  419. 419i
  420. 420i
  421. 421•AT
  422. 422i
  423. 423S
  424. 424-X
  425. 425B
  426. 426i
  427. 427i
  428. 428i
  429. 429i
  430. 430A
  431. 431i
  432. 432i
  433. 43345 SO 55 60 65 70 75 8O 85 80 95 1OO 105
  434. 434SUMMARY
  435. 435LITERATURE
  436. 436chapter, I may specially mention : —
  437. 437Particularly the essay on Reproductive Selection.
  438. 438CHAPTER XII
  439. 439THE CLASSIFICATION OF THE SCIENCES
  440. 440HUMAN LEARNING
  441. 441I
  442. 442P
  443. 443F
  444. 444S"
  445. 445S
  446. 446li
  447. 447II
  448. 448"**T3
  449. 449Q
  450. 450VT
  451. 451F
  452. 452F
  453. 453K
  454. 454V
  455. 455Z
  456. 456B
  457. 457i
  458. 458K
  459. 459S'
  460. 460F
  461. 461B
  462. 46273 B
  463. 463F
  464. 464I
  465. 465I
  466. 466i
  467. 467P
  468. 468F
  469. 469HIP'
  470. 470T
  471. 471i
  472. 472I
  473. 473activity. Paramount as the theory of our emotional nature, studied
  474. 474Chapter III., " Definitive Systematisation of the Positive Doctrine," in vol.
  475. 475nil. CLASSIFICATION OF THE SCIENCES 515
  476. 476I. I
  477. 477GENERAL RELATIONS OF
  478. 478RELATIONS PECULIAR TO SPACE AND
  479. 479O
  480. 480O
  481. 481S
  482. 482particles, a conceptual mechanism which describes astro-
  483. 483part — describing without quantitative calculation the
  484. 484THE v LASSIFICATION OF THE SCIENCES 521
  485. 485particularly the case in the sciences which deal with the
  486. 486Till-: CLASSIFICATION OF THE SCIK.NCKS 523
  487. 487O
  488. 488I
  489. 489O
  490. 490W
  491. 491H
  492. 492S-
  493. 493il
  494. 494ill
  495. 495P
  496. 496•S N
  497. 497I 5.S-
  498. 498S'
  499. 499HI
  500. 500I
  501. 501ill
  502. 502I
  503. 503Till-. CLASSIFICATION OK TH1. Mil 525
  504. 504actual perceptual experience. It is not to be taken as an
  505. 505SPACE
  506. 506TIME
  507. 507Actions.
  508. 508O.OS
  509. 509»3 «S* **•>
  510. 510V I
  511. 511E
  512. 512IB
  513. 513III
  514. 514J
  515. 515B
  516. 516'S
  517. 517c
  518. 518c
  519. 519K
  520. 520i
  521. 521O
  522. 522"" S" §"
  523. 523III
  524. 524i
  525. 525R
  526. 526IQ
  527. 527K
  528. 528I"
  529. 529K'
  530. 530V
  531. 531S
  532. 532I
  533. 533IP
  534. 534THE CLASSIFICATION OF T1IK SCIENCES 527
  535. 535JNN
  536. 536SUMMARY
  537. 5375 HA S A/0T H'#P>Pff'/S£
  538. 538LITERATURE
  539. 539APPENDIX
  540. 540NOTE I
  541. 541A CD B
  542. 542NOTE II
  543. 543NOTE III
  544. 544NOTE IV
  545. 545NOTE V
  546. 546NOTE VI
  547. 547NOTE VII

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