Combining Philosophers

All the ideas for Anon (Lev), Peter (Pyotr) Kropotkin and George Boole

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6 ideas

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 / H. Proof Systems / 2. Axiomatic Proof

22277

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

22. Metaethics / B. Value / 2. Values / g. Love

19941

Thou shalt love thy neighbour as thyself [Anon (Leviticus)]

25. Social Practice / B. Equalities / 1. Grounds of equality

20486

Only liberty, equality and sympathy can stand up to anti-social people [Kropotkin]