Nature - culture is a problematic distinction whereby culture no more interferes with nature than the eye interferes with vision. It is not the kind of thing about which you can ask 'how much'' Does it influence.
The Principle of symmetry is a principle that is supposed to ensure that the study is not biased by knowledge of the outcome.
Reflexivity is the idea that [the] patterns of explanation [of the sociology of knowledge] would have to be applicable to sociology itself'.
The Symmetry postulate is (as the main feature of the strong program) the methodological position that both true and false, and rational and irrational ideas, in as far as they are collectively held, should all equally be the object of sociological curiosity, and should all be explained by reference to the same kinds of cause.
