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  • forall x: Calgary
  • Preface
  • I Key notions of logic
  • II Truth-functional logic
  • III Truth tables
  • IV Natural deduction for TFL
    1. 16 The very idea of natural deduction
    2. 17 Basic rules for TFL
    3. 18 Constructing proofs
    4. 19 Additional rules for TFL
    5. 20 Proof-theoretic concepts
    6. 21 Derived rules
    7. 22 Soundness and completeness
  • V First-order logic
  • VI Interpretations
  • VII Natural deduction for FOL
  • VIII Modal logic
  • IX Metatheory
  • Appendices

Natural deduction for TFL

Part IV Natural deduction for TFL

  1. 16 The very idea of natural deduction
  1. 17 Basic rules for TFL
  1. 18 Constructing proofs
  1. 19 Additional rules for TFL
  1. 20 Proof-theoretic concepts
  1. 21 Derived rules
  1. 22 Soundness and completeness