First, as the structure of reality and of our thought, it is simply recursive; that is, it has a recursive pattern of down and up loops in which each iteration down to the basis is a more simple version of the previous one and each iteration up from the basis is more complicated than the previous one.

Second, as the structure of entities and their environment, Ereignis is mutually recursive. As mutually recursive, this structure describes or determines the interrelatedness of entities with each other and with their environment. This mutual recursion works like two functions which use as input the output of the other. For example: f (x) = y and g (y) = x. When pointing out such a situation Heidegger often uses the terms "equiprimordial," "mutual conditioning," "interpenetrating," and soon.

¶ 6:26 PM