Based on Writings of Robbins:
Deductive Logic:
The Primacy of Deductive Logic: In 1.4.1.
Economics as the Logic of Choice: In 1.5.4.
The Limitations of Economic Laws: In 1.5.5.
Inductive Logic:
Role of Empirical Methods: In 1.5.1.
(Operationalization, Measurement, Logical Gap, Logical Contradiction.)
Limitations of Observational Studies for Derivation of Laws: In 1.4.4.
Two Problems of Empirics: In 1.5.2