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PRL Project

Logical Investigations, with the Nuprl Proof Assistant
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Exercises


Show the proof and find the extract of the evidence for the following theorems:

  • Theorem 7: (P ⇒ ∼P) ⇒ (PQ)
  • Theorem 8: (∼(PQ)) ⇒ (P ⇒ ∼Q)





Answers to exercises are shown in Appendix B.