Ideas from 'Law and Causality' by Frank P. Ramsey [1928], by Theme Structure

[found in 'Philosophical Papers' by Ramsey,Frank (ed/tr Mellor,D.H.) [CUP 1990,0-521-37621-1]].

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10. Modality / B. Possibility / 8. Conditionals / d. Non-truthfunction conditionals
Ramsey's Test: believe the consequent if you believe the antecedent
'If' is the same as 'given that', so the degrees of belief should conform to probability theory
10. Modality / B. Possibility / 8. Conditionals / e. Supposition conditionals
Asking 'If p, will q?' when p is uncertain, then first add p hypothetically to your knowledge
26. Natural Theory / D. Laws of Nature / 4. Regularities / b. Best system theory
All knowledge needs systematizing, and the axioms would be the laws of nature
Causal laws result from the simplest axioms of a complete deductive system