Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, John Hick and George Boole

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8 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]

14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction

20653

Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson]

29. Religion / D. Religious Issues / 1. Religious Commitment / c. Religious Verification

1470	Belief in an afterlife may be unverifiable in this life, but it will be verifiable after death [Hick, by PG]

1471	It may be hard to verify that we have become immortal, but we could still then verify religious claims [Hick, by PG]

29. Religion / D. Religious Issues / 1. Religious Commitment / d. Religious Falsification

1469	Some things (e.g. a section of the expansion of PI) can be verified but not falsified [Hick, by PG]