Single Idea 12056

[catalogued under 8. Modes of Existence / A. Relations / 4. Formal Relations / c. Ancestral relation]

Full Idea

x bears to y the 'ancestral' of the relation R just if either x bears R to y, or x bears R to some w that bears R to y, or x bears R to some w that bears R to some z that bears R to y, or.....

Gist of Idea

An ancestral relation is either direct or transitively indirect

Source

David Wiggins (Substance [1995], 4.10.1)

Book Reference

'Philosophy: a Guide Through the Subject', ed/tr. Grayling,A.C. [OUP 1995], p.231


A Reaction

A concept invented by Frege (1879).