Combining Texts

All the ideas for 'works', 'The Laws of Thought' and 'Idea for a Universal History'

expand these ideas     |    start again     |     specify just one area for these texts

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10 ideas

2. Reason / A. Nature of Reason / 3. Pure Reason

21054

Reason enables the unbounded extension of our rules and intentions [Kant]

4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic

8083	Boole applied normal algebra to logic, aiming at an algebra of thought [Boole, by Devlin]

7727	Boole's notation can represent syllogisms and propositional arguments, but not both at once [Boole, by Weiner]

5. Theory of Logic / A. Overview of Logic / 2. History of Logic

8686	Boole made logic more mathematical, with algebra, quantifiers and probability [Boole, by Friend]

5. Theory of Logic / G. Quantification / 2. Domain of Quantification

17743

De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]

5. Theory of Logic / H. Proof Systems / 2. Axiomatic Proof

22277

Boole's method was axiomatic, achieving economy, plus multiple interpretations [Boole, by Potter]

16. Persons / F. Free Will / 2. Sources of Free Will

21053

The manifest will in the world of phenomena has to conform to the laws of nature [Kant]

24. Political Theory / D. Ideologies / 6. Liberalism / d. Liberal freedom

21055

Our aim is a constitution which combines maximum freedom with strong restraint [Kant]

21056

The vitality of business needs maximum freedom (while avoiding harm to others) [Kant]

25. Social Practice / D. Justice / 1. Basis of justice

21057

The highest ideal of social progress is a universal cosmopolitan existence [Kant]