Ideas of George Boole, by Theme
[British, 1815  1864, Born in Lincoln, England. School teacher, then Professor at Queen's College, Cork.]
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4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic
8083

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

7727

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

5. Theory of Logic / A. Overview of Logic / 2. History of Logic
8686

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

5. Theory of Logic / H. Proof Systems / 2. Axiomatic Proof
22277

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