I'm not familiar with this distinction of four perspectives. Is it raised later in the CPR? — darthbarracuda
(Sigh) Ya know, I often frown upon subjectively, and sometimes chastise objectively, those who take some passage and reinvent it. So...here I am, unceremoniously busted for doing exactly that. From this little bit in the B introduction at xxviii.....
“.....For pure speculative reason has this peculiarity about it, that it can and should measure its own capacity according to the different ways for choosing the objects of its thinking, and also completely enumerate the manifold ways of putting problems before itself, so as to catalog the entire preliminary sketch of a whole system of metaphysics; because, regarding the first point, in a priori cognition nothing can be ascribed to the objectsd except what the thinking subject takes out of itself, and regarding the second, pure speculative reason is, in respect of principlese of cognition, a unity entirely separate and subsisting for itself, in which, as in an organized body, every part exists for the sake of all the others as all the others exist for its sake, and no principle can be taken with certainty in one relation unless it has at the same time been investigated in its thoroughgoing relation to the entire use of pure reason....”
.....I unceremoniously took it upon myself to substitute perspective for relation. But there’s enough support for the substitution, elsewhere and throughout the text, I think, to make it at least not inconsistent. Kant is notorious for saying stuff like, understanding views all its conceptions....., or, imagination reaches for its synthesis....., which just makes it seem like these faculties have a sort of capacity to reflect or look at their objects, which is, for all intents and purposes, a perspective these faculties possess, relative to the mode by which objects are presented to them.
So rather than a reification of abstract ideas on my part, which is usually considered an argumentative fallacy, I think the use of perspective as more along the lines of a rhetorical device, which is sort of allowed. Still, CPR can be successfully studied without the notion of perspectives. Whatever suits the student, right?
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Space is not an intuition.....
— Mww
Not sure if I agree with this exactly....(...)
......but a representation cannot be both a concept and an intuition for they have a different nature. — darthbarracuda
Point to you. I should have said, “space is not an empirical intuition”, insofar as all intuitions are of appearances and space does not appear in sensations. It is easy to see that space is necessary for the determinations of sensible objects, insofar as objects must be in space in order to be a perception for us. This from the metaphysical exposition of the conception of space. As such, we represent to ourselves a condition which pertains to all objects, as opposed to intuitions respecting the dissimilar matter of them. I suppose Kant means to say that whenever something is represented about an object, the representation of its space must have already been given, from which is deduced that space is then the form of sensibility, or, “....that which effects that the content of phenomena can be arranged under certain relations...”. All this means is, we cognize one end of this undetermined object as “tail” and the other end as “head”, with absolute certainty, because one is intuited as being in a different spatial relation from the other, and all that such that the conception of “dog” doesn't contradict itself. And while this seems like an awful lot of trouble to go through every time, the methodology of the system as a whole, just wouldn’t work without doing exactly that.
On the other hand, from the transcendental exposition of the same conception...Kantian dualism once more....in the case of synthetic
a priori cognitions in which there are determinations on objects that are not of sensibility, re: geometric figures, which give to us a representation of the determinable space these figures enclose, it is found that this space is necessarily intuited as well, but not under empirical conditions. Kant says of this, “....What, then, must be our representation of space, in order that such a cognition of it may be possible? It must be originally intuition...” (added in B41, omitted in A).
Apparently, a representation can be both an intuition and a conception, albeit from different perspectives. Space is represented here as an intuition, there as a conception, but always
a priori.
There’s a very good examination of the background history of Kantian critical philosophy in the introduction by Guyer/Wood, found here:
http://strangebeautiful.com/other-texts/kant-first-critique-cambridge.pdf . Damn thing is 80 pages long, just as a measly intro, but there’s a lot of interesting commentary in it. You might find it useful.