Tautological Expressions Quiz

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Questions and Answers

Quid significat (p ightarrow q) ightarrow - (pullet q)?

  • Si *p* falsa est, tunc *q* vera est
  • Si *p* vera est, tunc *q* falsa est (correct)
  • Si *p* vera est, tunc *q* vera est
  • Si *p* falsa est, tunc *q* falsa est

Quid significa (p ightarrow - q)ullet q?

  • *p* falsa est et *q* vera est
  • *p* vera est et *q* falsa est
  • *p* et *q* sunt verae
  • *p* et *q* sunt falsae (correct)

Quid implicat formula (q ightarrow - p)ullet - p?

  • *p* et *q* sunt falsae (correct)
  • *p* et *q* sunt verae
  • *p* falsa est et *q* vera est
  • *p* vera est et *q* falsa est

Quid concluditur ex formula *( eg p ightarrow eg q) ightarrow (q ightarrow p)$?

<p><em>p</em> et <em>q</em> sunt verae (A)</p> Signup and view all the answers

Quid significat $( eg p ightarrow ( eg q ullet p)) ullet (p ullet eg( eg q ightarrow p))$?

<p><em>p</em> et <em>q</em> sunt falsae (C)</p> Signup and view all the answers

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