Single Idea 19238

[catalogued under 5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic]

Full Idea

In the place of the class ...the logic of relatives considers the system, which is composed of objects brought together by any kind of relations whatsoever.

Gist of Idea

The logic of relatives relies on objects built of any relations (rather than on classes)

Source

Charles Sanders Peirce (Reasoning and the Logic of Things [1898], III)

Book Reference

Peirce,Charles Sanders: 'Reasoning and the Logic of Things', ed/tr. Ketner,K.L. [Harvard 1992], p.156


A Reaction

Peirce's logic of relations might support the purely structural view of reality defended by Ladyman and Ross. Modern logic standardly expresses its semantics in terms of set theory. Peirce pioneered relations in logic.

Related Idea

Idea 14931 That there are existent structures not made of entities is no stranger than the theory of universals [Ladyman/Ross]