2009-04-17

邏輯


請問圖中,紅線到紅線及藍線到藍線分別怎麼導的?

1 則留言:

黃子嘉 提到...

1. ((q ^ ~r) v ~q)
= (q v ~q) ^ (~r v ~q)
= 1 ^ (~r v ~q)
= ~r v ~q

2. [p ^ (~r v ~q)] v ~p
= (p v ~p) ^ (~r v ~q v ~p)
= 1 ^ (~r v ~q v ~p)
= ~r v ~q v ~p