Ideas from 'Carnap and Logical Truth' by Willard Quine [1954], by Theme Structure
[found in 'Ways of Paradox and other essays' by Quine,Willard [Harvard 1976,0674948378]].
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5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
13010

In order to select the logic justified by experience, we would need to use a lot of logic

5. Theory of Logic / A. Overview of Logic / 6. Classical Logic
9002

Elementary logic requires truthfunctions, quantifiers (and variables), identity, and also sets of variables

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence
13681

Logical consequence is marked by being preserved under all nonlogical substitutions

5. Theory of Logic / L. Paradox / 5. Paradoxes in Set Theory / a. Set theory paradoxes
9003

Set theory was struggling with higher infinities, when new paradoxes made it baffling

6. Mathematics / C. Sources of Mathematics / 6. Logicism / d. Logicism critique
9004

If set theory is not actually a branch of logic, then Frege's derivation of arithmetic would not be from logic

8. Modes of Existence / E. Nominalism / 1. Nominalism / b. Nominalism about universals
9006

Commitment to universals is as arbitrary or pragmatic as the adoption of a new system of bookkeeping

10. Modality / A. Necessity / 6. Logical Necessity
9001

Frege moved Kant's question about a priori synthetic to 'how is logical certainty possible?'

12. Knowledge Sources / A. A Priori Knowledge / 7. A Priori from Convention
9005

Examination of convention in the a priori begins to blur the distinction with empirical knowledge
