Advanced level 2024 CASPA mock philosophy 3

Advanced level 2024 CASPA mock philosophy 3

Advanced level 2024 CASPA mock philosophy 3

SECTION ONE: LOGIC
1- Read the following passage and answer the questions below.
The aim ofdrugs is to better the health of a sick person or to prevent sickness.Thyis implies thast a wise
person cannot abuse drugs. . Either a patient takes his drugs well or he will aggravate his
sicknessSometimes patients get worse and even die when they fail to respect the prescriptions given by
the doctor.Some of such cases end up accusing their relatives in the village as the cause of their misfortune.
The issue here is that if one fails to take his drugs, his sickness will aggravate and if he takes an over dose,
his case will become more complicated.
Questions
a)
i)Bring out a phrase from the passage, good to be translated to an E- proposition (1mark)
ii) Present a (i) in its logical form (1mark)
iii) What is the contradictory of the contrary of a (ii) above (2marks)
iv) Given “Some cats are animals” false; determine the truth of the observe of its sub-contrary (3marks)
b)
i)Identify a disjunctive proposition in the passage (1mark)
ii) Construct a valid affirmative Disjunctive syllogism from b (i) (3marks)
iii) Translate b(i) above to its equivalent of the hypothetical form (3marks)
c)
i) Identify a suitable proposition from the passage for the construction of a dilemma (1mark)
ii) Construct a complex destructive dilemma from c (i) above (3marks)
iii) Escape between its horns (ii) (3marks)
d)
i) Identify a fallacy in the passage (1mark)
ii) Give the name of the gallacy committed (1mark)
iii) Explain how the fallacy is committed (2marks)
2-
a) State the logical relationship of the following propositions:
i)”All teachers are administrators “ and “some administrators are teachers
ii) “No men are mothers ” and “ some men are mothers”
iii) All teachers are workers” and “Some non-teachers are non-workers” (13 x 2mark)
b) Using the terms: “ Doctors” as the major, “Surgeons” as the minor and “Medical practitioners” as middle
i) Construct an AOO-2 form syllogism (3marks)
ii) Test the validity of b) (i) by the venn diagram technique (3marks)
iii) Construct the inverse of the major premise of b (i) (3marks)
c) Using the symbols P,Q and R for the respective statements ‘John is reading’, Mary is cooking and ‘Susan
is playing’, translate the following to statements
i) (P.Q)  (P v Q)
ii) (R v P).Q (2 x2 marks)
d) Using same information in ( c), symbolize the following statements
i) If Mary is cooking then John is reading
ii) Present d) (i) on a truth table ( 2 x 2 marks)
3-
a) By substituting “ S” for AvB”, what compounds will be obtained the following?
i) ( A v B)  (PvQ)
ii) Q  (A v B)v (P . Q)
iii) (PQ) (AvB) (3 x 2marks)
b) Determine where possible the validity of the following arguments with the use of the short truth table
method.
i) J  ( F v I)
F. J
I v F