Traditional Logic and Term Definition

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  • Topic: Traditional logic, Logic, People
  • Pages : 11 (1792 words )
  • Download(s) : 143
  • Published : December 15, 2012
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Syllogism Exercise

Work Book

3.
P = M.D. Pradit
D = Persons who decide to work in Iraq
F = Doctors who do not follow the requirement of ethical codes

First premise: All F are D.
Second premise:All P are F.
Conclusion: All P are D.
1. /2. / 3. / 4. / 5. / 6. /

4.
W = world citizen
A = persons who attempt to plant trees on the earth
L = persons who will have enough water for their life earning.

First premise: All A are L.
Second premise: All W are not L.
Conclusion: All W are not A
1. / 2. / 3. / 4. / 5. / 6. /

5.
V = Peace Corps volunteers
W = persons who have witnessed poverty and desolation
S = persons who are sensitive to human need

First premise: All S are W.
Second premise: All V are not S.
Conclusion: All V are not W.
1. / 2. / 3. x

6.
A = Persons who get profits from the illegality of their activities L = Persons who do not want their activities legalized.
P = Policemen

Major premise:All A are L
Minor premise:All P are L.
Conclusion:All P are not A.

1. / 2. x
7.
A = soldiers who have tasted the agony of real war
S = survivalist
E = persons who enjoy simulated war games

Major premise:All S are E.
Minor premise:All A are E.
Conclusion: All A are S.
1 . / 2 .x

8.
N = non-smokers
D = persons who will die young
R = persons who risk heart disease

Major premise:All R are D.
Minor premise:All N are not R.
Conclusion:All N are not D.
1. / 2. / 3. x

9.
I = Insects that eat mosquitoes
K = animals that should not be killed
D = dragonflies

Major premise:All I are K.
Minor premise: Some D are I.
Conclusion:Some D are K.

1. / 2. / 3./ 4.. / 5. / 6. /

10.
R = rent control proposals
L = regulations welcomed by landlords
F = regulations that allow free hand in raising rents

Major premise:All F are L.
Minor premise:All R are not L.
Conclusion:Some R are F.
6 x

1. Only employees who work hard can get the rewards, Peter does not work hard. Therefore, he cannot get the reward. Term Definition:
R = persons who can get the rewards
P = persons identical to Peter
H = employees who work hard
Short Form Argument:
Major Premise: All R are H.
Minor Premise: All P are not H.
Conclusion:All P are not R.
Validation Status: Valid because it conforms to all six rules.

2. If a forecaster can predict the heat wave, then he is a good weather reporter. And he is a good weather reporter if he is trained in meteorology. Every forecaster who can predict the heat wave, therefore, is trained in meteorology. Term Definition:

M = persons who are trained in meteorology
P = forecaster who can predict the heat wave
G = good weather reporter
Short Form Argument:
Major Premise: All M are G.
Minor Premise: All P are G.
Conclusion: All P are M.
Validation Status: Invalid because it violates rule no. 2, the middle term must be distributed at least once.

3. No stubborn people who never admits any change is good, since some learnt people is stubborn and a number of good people are not stubborn. Term Definition:
G = good people
S = stubborn people (who never admits any change)
L = learnt people
Short Form Argument:
Major Premise: Some G are not S.
Minor Premise: Some L are S.
Conclusion:All S are not G.
Validation Status: Invalid because it violates rule no. 1, there are three terms and each term is expressed twice.

4. None but the proponents of national health insurance are liberal. Few administrative members are proponents of national health insurance. Hence, most of the members of the administration are liberal. Term Definition:

L = liberal people
M = administrative members
P = proponents of national health insurance
Short Form Argument:
Major Premise: All L are P.
Minor Premise: Some M are P.
Conclusion: Some M are L.
Validation Status: Invalid because it violates rule no....
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