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Single Idea 21509

[filed under theme 13. Knowledge Criteria / B. Internal Justification / 5. Coherentism / a. Coherence as justification ]

Full Idea

On any plausible conception of coherence, there will always be many, probably infinitely many, different and incompatible systems of belief which are equally coherent.

Gist of Idea

There will always be a vast number of equally coherent but rival systems

Source

Laurence Bonjour (The Structure of Empirical Knowledge [1985], 5.5)

Book Ref

Bonjour,Laurence: 'The Structure of Empirical Knowledge' [Harvard 1985], p.107


A Reaction

If 'infinitely many' theories are allowed, that blocks the coherentist hope that widening and precisifying the system will narrow down the options and offer some verisimilitude. If we stick to current English expression, that should keep them finite.


The 8 ideas from 'The Structure of Empirical Knowledge'

A coherence theory of justification can combine with a correspondence theory of truth [Bonjour]
Anomalies challenge the claim that the basic explanations are actually basic [Bonjour]
There will always be a vast number of equally coherent but rival systems [Bonjour]
A well written novel cannot possibly match a real belief system for coherence [Bonjour]
The objection that a negated system is equally coherent assume that coherence is consistency [Bonjour]
Empirical coherence must attribute reliability to spontaneous experience [Bonjour]
A coherent system can be justified with initial beliefs lacking all credibility [Bonjour]
The best explanation of coherent observations is they are caused by and correspond to reality [Bonjour]