Being and Time philosophy, and Heidegger's achievements in the work have been compared to those of Immanuel Kant in the "Critique of Pure Reason" (1781) and Georg Wilhelm Friedrich Hegel in "The Phenomenology of Spirit" (1807) and "Science of Logic" (1812–1816). The work influenced philosophical treatises such as Jean-Paul Sartre's "Being and Nothingness" (1943). "Sein und Zeit" was first translated into English in 1962. According to Heidegger's statement in "Being and Time", the work was made possible by his study of Husserl's "Logical Investigations" (1900-1901). "Being and Time" was originally intended to consist of two major parts, each part consisting of three divisions.
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