C W Evers, J C Walker; Knowledge, Partitioned Sets and Extensionality: a refutation of the forms of knowledge thesis, Journal of Philosophy of Education, Volume.

A. ScT 803–21 are a notorious crux, which has received very varied treatment from editors without any clear solution of the problem emerging.A widely favoured version follows that of Weil, and disposes the lines as follows: 803–4 –6–7 or )–8–9–io )–ll )–21–I2 … 19– [20]. We may be able to concede the arbitrary transpositions of 805 and 821, since it is likely enough that the text is substantially disordered; more serious, however, are the inherent weaknesses in Weil's rearrangement.