On the Philosophy of Science

Allen & Unwin analysis appearances aspect assume assumption atom belief Bertrand Russell body called causal laws cause changes Chapter common sense conception concerned consciousness consider constitute construction correlation defined definition determined difficult earlier effect empirical entities example exist experience fact finite geometry George Allen given human hypothesis images inference instant interpretation kind knowledge law of contradiction logical logical constants means mental merely metaphysical method mind mnemic naïve realism nature necessary observed occur ostensive definition perceived percepts phenomena philosophy of science physical objects physical world physicist piece of matter possible premisses present principle probability problem propositional function psychology pure mathematics question reason regard relation Russell's scientific scientists sensations sense data sense-data simultaneous Socrates space-time spatial statement structure suppose symmetrical relation theory theory of relativity thing tion true universe visual volitions wholly precedes wish words