Pure Thinking ($-1-1)

Cosmology ($)

No presuppositions of cosmology here.

Ontology (1)

The ontology is the Logik.

Epistemology (1)

The epistemology is the consciousness/awareness of copula (系词), where copula is part of predicate.

There is ...

It is essentially an intention (意向性) that sustains/waits to be filled with an intentional object (意向对象), but the ONLY object that can be filled is this intention itself (like an arrow pointing at itself). To put in another way: there is no (be) sth. but only (be) [be(ing)]. This hints at the famous Being = Nothing.

The Pure Thinking opens up the horizon of Subjectivity, but there is nothing in sight.

  (perfect)        (dictate)      (lack/absence)
      1      <==================>       1       -------------------->    Nothing
(metaphysics)       (proxy)      (be as a copula)  

A metaphor might help: