Combining Texts

All the ideas for 'Does Emp.Knowledge have Foundation?', 'Evil and Omnipotence' and 'An Introduction to Modal Logic'

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9 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]

13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / c. Empirical foundations

8793	If observation is knowledge, it is not just an experience; it is a justification in the space of reasons [Sellars]

13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / f. Foundationalism critique

8792	Observations like 'this is green' presuppose truths about what is a reliable symptom of what [Sellars]

18. Thought / D. Concepts / 4. Structure of Concepts / f. Theory theory of concepts

8791	The concept of 'green' involves a battery of other concepts [Sellars]

29. Religion / D. Religious Issues / 3. Problem of Evil / a. Problem of Evil

1472	The propositions that God is good and omnipotent, and that evil exists, are logically contradictory [Mackie, by PG]

1473	Is evil an illusion, or a necessary contrast, or uncontrollable, or necessary for human free will? [Mackie, by PG]