Ayn Rand aptly describes the concept, concept as a group of units united by a common denominator with particular measurements omitted. Logic, correspondingly she defined as the art of non-contradictory identification.

Observe how compatible this is with the traditional definition of truth: “A thought’s conformity to reality.”

The reason both these are so important together is because they presuppose that knowledge is exclusively the province of facts integrated into a total mental system by which information is kept in one place, and builds without contradiction as a structure like a building where one scafolding contradicting the next can only result in nothing less than total collapse.

This is precisely what has happened to the modern mind.

And also why context dropping is the chief tool of contemporary evasion. i.e. discrete reporting by Mass Media of stories as facts isolated from their context.

Her view of knowledge is at total odds with the modern view, consisting of a series of discrete floating abstractions which is what has destroyed cognitive reason in modern man. It works especially to the benefit of the Elites in our society. Not a coincidence it’s not taught in schools. For the same reasons money isn’t either.

Nevertheless, I do not think you find that equivalent at all in modern or even Greek philosophy. I could be wrong but I challenge anyone to show me where…