112 SOCIAL SCIENTIST external objects of cognizance has made the subject of all cognizance withdraw into the background, and often into apparent nonexistence.' The epistemological optimism that led Schrodinger to search for a unified field theory was severely limited by the conservative and negative tendency of idealist substantiation of mystical beliefs. In his world view the inexhaustibility of cognition was sought to be overcome by religious views. It is of dourse not possible to find a rational resolution to the contradiction of cognition in such a world-view, but the philosophical questions raised by Schrodinger and other idealistically inclined philosophers provide an opportunity to deepen the materialist philosophy. As Lenin noted, * "Matter disappears" means that the limit within which we have hitherto known matter disappears and that our knowledge is penetrating deeper.. ..' RAJENDRA PRASAD People's Democracy, New Delhi SELECTBOOK SERVICE SYNDICATE E-10 Kailash Colony, New Delhi 110 048. Phones: 6411383,6432482 1. Mohammad Asghar Khan (ed.), Islam, Politics and the State: The Pakistan Experience, 1986, Rs. 250 2. Richard Burghart & Audrey Cantlie (eds.),Indian Religion, 1986, Rs. 250 3. Colin Mackerras & Nick Knight, Marxism in India, 1986, Rs. 200 3. B. Allchin & R, Allchin, The Rise of Civilization in India and Pakistan, 1983, Rs. 250 5. D.P. Agrawal, The Archaeology of India, 1984, Rs. 250 6. David Hart, Nuclear Power in India: A Comparative Analysis, 1983, Rs. 150 7. Barbara R. Joshi (ed.). Untouchable! Voices of the Dalit Liberation Movement, 1986, Rs. 200 8. Kirsten Westergaard, State and Rural Society in Bangladesh: A Study in Relationship, 1986, Rs. 200 9. Madhuri Sondhi, The Making of Peace (A study to commemorate the International Year of Peace), 1985, Rs. 275 10. S.R. Ashton, British Policy Towards the Indian States, 1905-1939 (London Studies on South Asia No. 2), 1985, Rs. 150 11. Eric J. Hobsbawm (ed.). The History of Marxism, Vol. I, Marxism in Marx's Day, 1982, Rs. 85 (paperback) 12. T.H. Aston & C.H.E. Philpin (eds.). The Brenner Debate: Agrarian Class Sructure and Economic Development in Pre-Industrial Europe, Cambridge University Press, 1987, Rs. 140 (paperback) * 10 per cent discount and postage free ** Special airfreight and procurement service for all the foreign publications