Full Idea
When I say that four and three make seven, this connection is necessary, because one cannot conceive the number seven distinctly without including in it in a confused way the number four and the number three.
Gist of Idea
3+4=7 is necessary because we cannot conceive of seven without including three and four
Source
René Descartes (Rules for the Direction of the Mind [1628], 12)
Book Reference
Descartes,René: 'Rules for the Direction of the Mind' [Newcomb Library 2023], p.39
A Reaction
This seems to make the truths of arithmetic conceptual, and hence analytic.