課程名稱︰邏輯丙
課程性質︰人文領域通識
課程教師︰曾漢塘
開課系所︰哲學系
考試時間︰94年4月19號
試題 :
一、選擇題 20%
1. 一個論證有效，其前提為真，結論為真，則其論證
(A)有效 (B)無效 (C)不確定
2. 一個有效論證，其前提為真，其結論
(A)必真 (B)必假 (C)不確定
3. 一個論證，其前提為真，結論為假，則其論證
(A)有效 (B)無效 (C)不確定
4. 一個語句，其真值表中有些列為真，有些列為假，則該語句為
(A)套套句 (B)矛盾句 (C)適然句
5. 真值表中至少有一列可使兩語句同時為真，則兩語句彼此
(A)不一致 (B)一致 (C)不確定
二、請用直接推論方法(即四角對當關係、換位、換值、或換值位等)
檢驗下列論證是否有效? 20%
1. It is false that no people who receive Social Security are
people who can't afford the necessities os life. Therefore,
some people who can afford the necessities of life are people
who do not receive Social Security.
2. Some substances that control cell growth are hormones.
Therefore, it's false that all hormones are substances that
do not control cell growth.
三、請用有效三段論的五個規則或范恩圖解檢驗下列論證的有效性。 30%
1. People for the American Way supports only liberal candidates.
Hence, Pat Robertson must not be a liberal, since people for
the American Way do not support him.
2. EAO - III
3. IAI - II
四、請用 ≡ ～ 。 V ∩(請橫放...我打不出來那個符號)
等五個語句連接符號將下列語句符號化。 15%
1. 財政赤字會降低 (D)，僅當稅收增加 (T)。
2. 若未控制貨幣供給或未打破石油輸出國家組織的力量，
將無法控制通貨膨脹。
(控制貨幣:M ; 打破石油輸出國家組織的力量:O ; 能控制通貨膨脹:I)
五、
Ann, Herbert, and Kristin appeared before a congressional
investigating committee. Ann testified that Morgan shredded the
evidence if and only if either Parker did not bribe foreign
officals or Wilson forged the documents. Herbert testified that
if Wilson did not forge the documents, then both Morgan did not
shred the evidence and Parker bribed foreign officials. Kristin
testified that if Parker bribed foreign officials, then both
Morgan shredded the evidence and Wilson did not forge the document.
Assuming that all three witnesses told the truth, what can we
conclude about Morgan, Parker, and Wilson? 15%
※ 編輯: crazyjimmy 來自: 140.112.245.143 (04/29 23:13)