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Ideas for 'Properties', 'On the Foundations of Logic and Arithmetic' and 'The Mysterious Flame'

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2 ideas

5. Theory of Logic / E. Structures of Logic / 1. Logical Form
Thoughts have a dual aspect: as they seem to introspection, and their underlying logical reality [McGinn]
     Full Idea: Our thoughts have a kind of duality, corresponding to their surface appearance to introspection and their underlying logical reality.
     From: Colin McGinn (The Mysterious Flame [1999], p.147)
Logical Form explains differing logical behaviour of similar sentences [Swoyer]
     Full Idea: 'Logical Form' is a technical notion motivated by the observation that sentences with a similar surface structure may exhibit quite different logical behaviour.
     From: Chris Swoyer (Properties [2000], 4.2)
     A reaction: [Swoyer goes on to give some nice examples] The tricky question is whether each sentence has ONE logical form. Pragmatics warns us of the dangers. One needs to check numerous inferences from a given sentences, not just one.