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Published online by Cambridge University Press: 25 March 2011
1 There is a small confusion here. On p. 180, this tractate is described as ‘probably the earliest of the tractates’; but on p. 24 we read of the fifth as the ‘earliest of the five theological tractates’. There can be no certainty on this point, but it seems reasonable to look on the fourth tractate as a foundation statement on which the others are based.