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Ideas for 'The Correspondence Theory of Truth', 'A Tour through Mathematical Logic' and 'Intro to 'Philosophy of Logic''

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5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic

9457	The two main views in philosophy of logic are extensionalism and intensionalism [Jacquette]

5. Theory of Logic / A. Overview of Logic / 4. Pure Logic

3746	Logic seems to work for unasserted sentences [O'Connor]

5. Theory of Logic / A. Overview of Logic / 5. First-Order Logic

13534

In first-order logic syntactic and semantic consequence (|- and |=) nicely coincide [Wolf,RS]

13535

First-order logic is weakly complete (valid sentences are provable); we can't prove every sentence or its negation [Wolf,RS]