ON CONTRADICTIONS 25 -5 Ibid, pp 211-212. 6 Text Book of Marxist Philosophy (by the Leningrad Institute of Philosophy), Calcutta, NBA, 1975, pp 144-145. 7 Mao Zedong, "On Contradiction", in Selected Works, Vol I, pp 343-344. 8 F Engels, Anti-Duhring (Moscow edition, 1969), p 145. 9 Mao Zedong, Selected Works, Vol I, p 318, 10 Lnnn, Collected Works, Vol 32, p 272. 11 Mao Zedong, 'On the Correct Handling of Contradictions among the People, Peking, 1957, pp 8-11. 12 Mao Zedong, "On Contradiction", Selected Works, Vol I, p 333. 13 Ibid. 14 Marx, The Holy Family, in Collected Works, Vol 4, p 36. 15 J Stalin, Problems of Leninism, Moscow, 1953, pp 310-313. 16 Ibid,p6\. 17 Lenin, "The Tasks of the Youth League", in Collected Works, Vol 31, pp 292-293. 18 Stalin, op cit, p 19. 19 Text Book of Marxist Philosophy, p 169. 20 Ibid 21 Mao Zedong, Selected Works, Vol I, p 332. 22 A Short History of Chinese Philosophy, Peking, Foreign Languages Press, 1958, p 138. 23 Mao Zedong, Selected Works, Vol I, p 325. 24 CPI (M), Ideological Resolution, p 11. 25 Ibid, p 10. 26 Mao Zedong, "On Contradiction", in Selected Works, Vol I, p 344. 27 Mao Zedong, On the Conect Handling of Contradictions..., p 16 and p 18. 28 Ibid.pp 22-23. 29 These formulations appear in the GPG's pamphlet "The Unity of the International Proletariat must be based on Principles" (mimeo), pp 5-6 30 Lenin, "Left-Wing Communism", in Selected Works (3 vols), Moscow, 1975, vol, 3, p 325. 31 Lenin, "Once again on the Trade Ijnions, the Current Situation and the Mistakes of Trotsky and Pmkharin", in Selected Works, vol 3, p 485.