id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
en-wikipedia-org-1712		Empiricism - Wikipedia			.html	text/html	9336	1331	47	980 – 1037)[19] and demonstrated as a thought experiment by Ibn Tufail.[20] For Avicenna (Ibn Sina), for example, the tabula rasa is a pure potentiality that is actualized through education, and knowledge is attained through "empirical familiarity with objects in this world from which one abstracts universal concepts" developed through a "syllogistic method of reasoning in which observations lead to propositional statements which when compounded lead to further abstract concepts". That is, instead of translating sentences about physical objects into sense-data, such sentences were to be translated into so-called protocol sentences, for example, "X at location Y and at time T observes such and such."[41] The central theses of logical positivism (verificationism, the analytic–synthetic distinction, reductionism, etc.) came under sharp attack after World War II by thinkers such as Nelson Goodman, W.V. Quine, Hilary Putnam, Karl Popper, and Richard Rorty. (1969), The Legacy of Logical Positivism: Studies in the Philosophy of Science, Johns Hopkins University Press, Baltimore, MD.[page needed]	./cache/en-wikipedia-org-1712.html	./txt/en-wikipedia-org-1712.txt