Combining Texts

All the ideas for 'fragments/reports', 'An Introduction to Modal Logic' and 'Truth and Probability'

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7 ideas

1. Philosophy / D. Nature of Philosophy / 3. Philosophy Defined

23367

Even pointing a finger should only be done for a reason [Epictetus]

4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / b. Terminology of PL

9540	A 'value-assignment' (V) is when to each variable in the set V assigns either the value 1 or the value 0 [Hughes/Cresswell]

4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / d. Basic theorems of PL

9541	The Law of Transposition says (P→Q) → (¬Q→¬P) [Hughes/Cresswell]

4. Formal Logic / B. Propositional Logic PL / 4. Soundness of PL

9543	The rules preserve validity from the axioms, so no thesis negates any other thesis [Hughes/Cresswell]

5. Theory of Logic / K. Features of Logics / 4. Completeness

9544	A system is 'weakly' complete if all wffs are derivable, and 'strongly' if theses are maximised [Hughes/Cresswell]

10. Modality / B. Possibility / 8. Conditionals / d. Non-truthfunction conditionals

13766

'If' is the same as 'given that', so the degrees of belief should conform to probability theory [Ramsey, by Ramsey]

14. Science / C. Induction / 6. Bayes's Theorem

19143

Ramsey gave axioms for an uncertain agent to decide their preferences [Ramsey, by Davidson]