Răspunsuri

2014-11-06T19:26:08+02:00
A∨B={11,13,21,31,48,49,55}
C∧B={13,48}
A∧B={13,31,55}
C∧B={13,48}
A∨C={11,13,21,31,48,49,55}
A∨(B∨C)=A∨{11,13,21,31,48,55}={11,13,21,31,48,49,55}
A∧C={11,13,21}
A
∨(B∧C)=A∨(13,48}={11, 13, 21, 31, 48, 49, 55}
2014-11-06T19:29:10+02:00
A∨B={11,13,21,31,48,49,55}
C∧B={13,48}
A∧B={13,31,55}
C∧B={13,48}
A∨C={11,13,21,31,48,49,55}
A∨(B∨C)=A∨{11,13,21,31,48,55}={11,13,21,31,48,49,55}
A∧C={11,13,21}
A
∨(B∧C)=A∨(13,48}={11, 13, 21, 31, 48, 49, 55}