Ideas from 'The Raft and the Pyramid' by Ernest Sosa [1980], by Theme Structure

[found in 'Epistemology - An Anthology' (ed/tr Sosa,E. /Kim,J.) [Blackwell 2000,0-631-19724-9]].

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2. Reason / A. Nature of Reason / 6. Coherence
The negation of all my beliefs about my current headache would be fully coherent
13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / e. Pro-foundations
A single belief can trail two regresses, one terminating and one not
13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / f. Foundationalism critique
If mental states are not propositional, they are logically dumb, and cannot be foundations
There are very few really obvious truths, and not much can be proved from them
Mental states cannot be foundational if they are not immune to error
13. Knowledge Criteria / C. External Justification / 2. Causal Justification
Vision causes and justifies beliefs; but to some extent the cause is the justification