Posted by: Eko Nur Hidayat | April 26, 2012

Soal Logika Matematika 1

Tunjukkan, apakah kalimat berikut valid atau tidak ?

  1. (f and g) if and only if (f and g)
  2. if (f and g) then (f and g)
  3. if f then (if f then g)
  4. (if f then g) if and only if (if f then g)

 


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