Being and Time interpretation. This is the problem of the "hermeneutic circle," and the necessity for the interpretation of the meaning of being to proceed in stages: this is why Heidegger's technique in "Being and Time" is sometimes referred to as hermeneutical phenomenology. As part of his ontological project, Heidegger undertakes a reinterpretation of previous Western philosophy. He wants to explain why and how theoretical knowledge came to seem like the most fundamental relation to being. This explanation takes the form of a destructuring ("Destruktion") of the philosophical tradition, an interpretative strategy that reveals the fundamental experience of being at the base of
Being and Time of what a hammer "is" is not determined by a theoretical understanding of its presence, but by the fact that it is something we need at the moment we wish to do hammering. Only a "later" understanding might come to contemplate a hammer "as" an object. The total understanding of being results from an explication of the implicit knowledge of being that inheres in "Dasein". Philosophy thus becomes a form of interpretation, but since there is no external reference point outside being from which to begin this interpretation, the question becomes to know in which way to proceed with this