Man and the universe: the philosophers of science

A. N. Whitehead admit appear apsis Aristotle artery atoms axioms believe body causal cause circle conception consciousness course Descartes determined Discourse on Method discovered discovery distinct doubt dream earth entities ether existence experience external world fact feel follow give ground heat heaven Henri Bergson Henry Sidgwick human ideas idols imagine individual interpretation Irma Irma's kind knowledge laws Leibniz less light living material mathematical matter means mechanical ment mental method mind moon motion move movement natural philosophy natural selection nature never objects observed opinions organic particle particle-picture particular pass perceived perfect phenomena photons planets Plato Positive Philosophy possible present principles psychic Ptolemy question reality reason relation scientific seems sense space species stars suppose taximeter theory of relativity things thought tion trimethylamin true truth understanding varieties wave-picture whole words