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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
  • V First-order logic
  • VI Interpretations
  • VII Natural deduction for FOL
  • VIII Modal logic
    1. 42 Introducing modal logic
    2. 43 Natural deduction for ML
    3. 44 Semantics for ML
  • IX Metatheory
  • Appendices

Modal logic

Part VIII Modal logic

  1. 42 Introducing modal logic
  1. 43 Natural deduction for ML
  1. 44 Semantics for ML