An introduction to formal deductive logic. Semantics, symbolization, and techniques of natural deduction in sentential logic. Symbolization, natural deduction, and models in monadic predicate logic. Symbolization and natural deduction with polyadic predicates. Introduction to advanced concepts in first-order logic, such as operations, identity, and models.

A continuation of PHL245H1, requiring no other prior knowledge of philosophy or mathematics. First-order logic, including basic metalogical results such as soundness and completeness. An introduction to basic set theory and metalogic. Topics may include the Loewenheim-Skolem theorems for first-order logic, Goedel’s incompleteness theorems.