Full Idea
Husserl said that the clarification of any concept is made by determining its psychological origin. He is concerned with the psychological origins of the operation of calculating cardinal numbers.
Gist of Idea
We clarify concepts (e.g. numbers) by determining their psychological origin
Source
report of Edmund Husserl (Philosophy of Arithmetic [1894]) by Victor Velarde-Mayol - On Husserl 2.2
Book Reference
Velarde-Mayol,Victor: 'On Husserl' [Wadsworth 2000], p.16
A Reaction
This may not be the same as the 'psychologism' that Frege so despised, because Husserl is offering a clarification, rather than the intrinsic nature of number concepts. It is not a theory of the origin of numbers.