Kant contrasts apodictical with problematic and assertorical judgments.
Many of the Ecaudata have remnants of oviducts, or Miillerian ducts, most developed in Bufo, which genus is also remarkable as possessing a problematic organ, Bidder's organ, situated between the testis and the adipose or fat-bodies that surmount it.
Going back and forth between these strategies is problematic, to say the least.
The relationship with Aepyornis of Madagascar is still problematic. Whilst the moas seem to have been entirely herbivorous, feeding not unlikely upon the shoots of ferns, the kiwis have become highly specialized wormeaters.
In other words, a categorical universal is often problematic, but a problematic is not the same as a hypothetical judgment.
The ultimate relation between intelligence and natural fact, expressed in the notion of end, is thought as problematic or contingent.
It is equally opposed to the doctrine which represents the subject itself and its state and judgments as the single immediate datum of consciousness, and all else, whether the objects of an external world or person other than the individual subject whose states are known to itself, as having a merely problematic existence resting upon analogy or other process of indirect inference.
Nevertheless the thing-initself is a problematic conception and of a limiting or negative use merely.
The Greek theory, which relegates Zoroaster to the mists of antiquity, or even to the perioc of the fabulous Ninus and Semiramis, is equally valueless Even the statement that he came from the north-west of Medif (the later Atropatene), and his mother from Rai (Rhagae) in eastern Media, must be considered as problematic in the extreme Our only trustworthy information is to be gleaned from his OWl testimony and from the history of his religion.
For this highly problematic group the original authorities should by all means be consulted.
Hence his really valuable arguments from Nature to God sink to the problematic form - there may be Nature; if so, there is God.
End in nature, therefore, is a subjective or problematic conception, implying the limits of understanding, and consequently resting upon the idea of an understanding constituted unlike ours - of an intuitive understanding in which particular and universal should be given together.