Full Idea
For Kant, intuitions are singular, in the sense that they are modes of representing individual objects, and are needed for numbers and geometric figures; ..they also yield immediate knowledge, and are tied to sense perceptions.
Gist of Idea
Kantian intuitions are of particulars, and they give immediate knowledge
Source
report of Immanuel Kant (Critique of Pure Reason [1781]) by Stewart Shapiro - Thinking About Mathematics 4.2
Book Reference
Shapiro,Stewart: 'Thinking About Mathematics' [OUP 2000], p.79
A Reaction
The ordinary usage of the word 'intuition' agrees on the immediate knowledge produced, but not on the 'singular' aspect of it, so that is the respect in which Kant's use is a term of art. Why have a special faculty for singular apprehensions?