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The Formal and the Informal

I became acquainted with Lakatos's work in 1965 when I started studying at London School of Economics--where Lakatos taught. As his work was developed over the succeeding years until his death in 1974, one thing always puzzled me: his work seemed to contain such conflicting tendencies. He would continue developing his ideas along a progressive line, and suddenly would insert an element which appeared to me quite reactionary. By 'reactionary', I should hasten to add, I mean imbued with the spirit of Positivism--a person of different bias might reverse the labels!