CONTENTS XIX 



Chapter \ I I 



THE REAL WORLD 356 



NAIVE REALISM 358 



PHENOMENALISM 361 



Illogical cynicism 362 



REPRESENTATIONALISM 363 



Beyond Inventions— Discoveries! 365 



Science and prediction 366 y 



THEORIES 368 



Heuristic power 369 



Simplicity 371 



PRINCIPLES 374 



The cross-fix 376 



INTELLIGIBILITY 379 



Ultimate unintelligibilities? 380 



BIBLIOGRAPHY 385 



INDEX OF NAMES 401 



