more from G. Aldo Antonelli

Single Idea 19113

[catalogued under 4. Formal Logic / E. Nonclassical Logics / 12. Non-Monotonic Logic]

Full Idea

In the Weakest Link Principle, an argument is preferred to another conflicting argument if its weakest defeasible link is stronger than the weakest defeasible link in the conflicting argument.

Gist of Idea

Weakest Link Principle: prefer the argument whose weakest link is the stronger


G. Aldo Antonelli (Non-Monotonic Logic [2014], 2.1)

Book Reference

'Stanford Online Encyclopaedia of Philosophy', ed/tr. Stanford University [], p.4

A Reaction

[He cites John Pollock 1991] This sounds like the elementary principle applied when choosing a rope by which to hang a large weight above your head. It gets non-monotonic logic off the ground - if you know how to evaluate 'weakest'.