Single Idea 17241

[catalogued under 2. Reason / D. Definition / 8. Impredicative Definition]

Full Idea

A defined name ought not to be repeated in the definition. ...No total can be part of itself.

Gist of Idea

A defined name should not appear in the definition


Thomas Hobbes (De Corpore (Elements, First Section) [1655], 1.6.15)

Book Reference

Hobbes,Thomas: 'Metaphysical Writings', ed/tr. Calkins,Mary Whiton [Open Court 1905], p.36