Combining Philosophers

Ideas for Crispin Wright, Hilary Putnam and Avicenna (Abu Ibn Sina)

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2 ideas

4. Formal Logic / A. Syllogistic Logic / 1. Aristotelian Logic

18953

Modern notation frees us from Aristotle's restriction of only using two class-names in premises [Putnam]

4. Formal Logic / A. Syllogistic Logic / 2. Syllogistic Logic

18949

The universal syllogism is now expressed as the transitivity of subclasses [Putnam]