Combining Texts

All the ideas for 'works', 'Of Organum or Ars Magna of Thinking' and 'An Introduction to Modal Logic'

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8 ideas

1. Philosophy / F. Analytic Philosophy / 1. Nature of Analysis
5021 An idea is analysed perfectly when it is shown a priori that it is possible [Leibniz]
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 / d. Rational foundations
5020 Our thoughts are either dependent, or self-evident. All thoughts seem to end in the self-evident [Leibniz]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / e. Human nature
22086 The most important aspect of a human being is not reason, but passion [Kierkegaard, by Carlisle]
22. Metaethics / C. The Good / 2. Happiness / d. Routes to happiness
5019 Supreme human happiness is the greatest possible increase of his perfection [Leibniz]