Full Idea
The categories of oneness and manyness are the basis of what Kant terms 'synthetic judgements a priori'.
Gist of Idea
Kant bases the synthetic a priori on the categories of oneness and manyness
Source
report of Immanuel Kant (Critique of Pure Reason [1781]) by Andrew Bowie - Introduction to German Philosophy 1 'First'
A Reaction
This is a solution to the paradoxes of one and many that bothered Plato. I think it is best seen in our capacity to count things, and the individuation which must precede that. Atomism and holism.
Book Reference
Bowie,Andrew: 'Introduction to German Philosophy' [Polity 2003], p.19
Related Idea
Idea 13259 It seems that the One must be composed of parts, which contradicts its being one [Plato]