Combining Texts

All the ideas for 'Summa', 'An Introduction to Modal Logic' and 'Rights of Man'

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7 ideas

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]

9. Objects / B. Unity of Objects / 2. Substance / c. Types of substance

16616

Substances 'substand' (beneath accidents), or 'subsist' (independently) [Eustachius]

9. Objects / C. Structure of Objects / 2. Hylomorphism / a. Hylomorphism

16585

Prime matter is free of all forms, but has the potential for all forms [Eustachius]

24. Political Theory / B. Nature of a State / 3. Constitutions

23261

A people, not government, creates a constitution, which is essential for legitimacy [Paine]