Logic · Governement Bilingual High School Yaounde · Mock 2021 · Ordinary Level · Paper 2
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Exercices, méthodes & corrigés (49)
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1.a
La vérité
Define the following; i) Operations of the mind ii) Term iii) Definition iv) Propositions v) Inference vi) Symbolic logic
6 pts1.b
La vérité
Differentiate between the following; i) Truth and validity ii) Logic and Psychology iii) Deductive and inductive reasoning.
6 pts1.c
La vérité
Construct the following propositions using as subject term "car dealers" and the predicate term, "perfect"; 1) A proposition with only the subject term undistributed ii) A proposition with only the subject term distributed iii) A proposition with both terms distributed iv) A proposition with both terms undistributed
4 pts1.d
La vérité
March the column A to B by filling the right answer in the answer space provided. Column A A pen is not a pencil That is G.B.H.S Yaounde Aloe vera product is forever product living A square is a 4 sided figure A boy is a combination of X and Y chromosomes Answer Column B Persuasive Definition Negative Definition Ostensive Definition Description Definition Genetic Definition
1.f
La vérité
Indicate whether the statements in the table below are True or False Statement 1. All thinking is not reasoning 2. All sound arguments are valid 3. Some argument is valid but having all premises false 4. An unsound arguments is valid but having all premises false True or False
4 pts2.a
La vérité
Distinguish between the following; ii) Simple apprehension and judgment. iii) Defmiendum and Totum Divisum iv) Pure and mixed hypothetical syllogism i) The Principle of identity and the principle of causality
8 pts2.b.i
2.b.ii
2.b.iii
2.c
La vérité
With the aid of examples, define the following terms as used in symbolic logic: i) Simple Statement ii) Compound Statement iii) Variables iv) Conjunction
8 pts3.a
La vérité
Put this syllogism in to standard form: some men are Christians, but no Christians are liars. This implies that some men are not liars.
3 pts3.b
La vérité
Match the ideas in box A and options in list B using only the corresponding numbers. 1. Same subject, predicate and quality 2. Same subject, therefore same predicate but different quality and quantity. 3. Same subject, predicate, but different quantity. List A 1 Contrary 2 Subaltern 3 Contradiction List B use only numbers
3 pts3.c.a
La vérité
Identify the following types of propositions: i) Perhaps the teacher is in class ii) You must either come to school early or you will be punished iii) If students work hard, then their parents will be happy.
3 pts3.c.b
3.d.a.i
3.d.a.ii
3.e
La vérité
Translate the following into standard form; i) Every leamer must be intelligent ii) No man can be angel iii) Most students tell lies iv) Only men are farmers
4 pts3.f.a.i
3.f.a.ii
3.f.b
3.g
La science
Establish the relationship logic has with the following fields; i) Philosophy ii) Mathematics
2 pts4.a
La vérité
Identify the following in the syllogism below; All businessmen are rich persons Some students are businessmen Therefore some students are rich persons. i) Major term ii) Minor term iii) Middle term iv) Major premise v) Minor premise
5 pts4.b
La vérité
What do you understand by the following? i) Fallacy of illicit major i) Fallacy of illicit minor i) Fallacy of circular definition
3 pts4.c.a
La vérité
Criticize the following definitions i) Economics is the study of how to economize. ii) A chair is that which is used in sleeping. iii) Peace is a situation where there is no war. iv) Happiness is the welbeing of the soul.
4 pts4.c.b.i
La vérité
state the fallacy committed when the middle term is not distributed in at least once in the premises.
4.c.b.ii
4.c.b.iii
La vérité
Determine figure and mood of the syllogism below; All women are beautiful persons Some girls are women Therefore, Some girls are beautiful persons
2 pts4.d
La vérité
Determine the validity of this syllogism by means of the Venn diagram technique: All form 5 bilingual students are hardworking persons No hardworking persons are Lazy students Therefore, No Lazy students are form 5 bilingual students.
4.e
La vérité
Translate the following into symbols: i) Jude and Mary are going to school ii) If boys are Lazy, they will not succeed iii) He is either a doctor or a businessman iv) Anna is a good girl but Jane does not like her v) Frida is not a happy person
5 pts4.f
5
La vérité
Read the passage and answer the questions that follow The problem of evil is very disturbing in our world today. Every human being is guilty of sinning. One woman made it clear that, she is sinning because ever sin. Evil is what we hate or that which is very bad especially in thought. Evil therefore refers to what is not good St. Augustine seems to support evil when he says that "God allows evil so that good may be produced form it". People are not willing to following Christ's example because they love and Cherish evil. They fail to understand that, with God, your future is bright. If people pray and work with the bible, they will be rich in Christ. But what is a Church? It is a large building where Christians carry out religious ceremonies and prayers. However, some Christians serve God while worshipping the idols. This provoked the pastors to say that; "either Christians serve God or worship the Idols". To the pastors, he who goes to church pray and preaches well.
5.a
La vérité
Identify the following in the passage; i) Common term ii) Singular term iii) Persuasive definition iv) Descriptive definition v) Lexical definition
5 pts5.b
La vérité
Identify the following propositions from the passage; i) Hypothetical proposition ii) Disjunctive proposition
2 pts5.c.i
5.c.ii
5.c.iii
5.d
5.e
La vérité
Translate each of the following propositions into logical form: a) Every human being is guilty of sinning b) He who goes to church prays and preaches well. c) Most Christians serve God while worshipping the idols.
3 pts5.f.i
5.f.ii
5.g
La vérité
Symbolize the following statements using variables P, q and r. (i) If people pray and work with the bible, they will be rich in Christ (i) Either Christians serve God or worship the idols
2 pts6.a
La vérité
Determine whether the propositions are universal or particular i) Children love cheating ii) Each prostitutes is a liar iii) No one who steels is righteous iv) Few boys are not fighter's v) All business men are not rich
5 pts6.b.i
La vérité
Which of the following statements are wrongly punctuated? Indicate the right punctuation. (1)~qv-po~~p (ii)~((Pq)) (iii) po. q (iv) po~ q
6.b.ii
La vérité
From b (i) above, translate with the aid of example the right punctuation indicated into words.
3 pts6.c
La vérité
Using the indicated letters. Put the following statements into symbols. i) Mary will get marry to Paul (p) if and only if she is accepted by his mother (M) ii) Given that Ngwa is handsome, (H) and intelligent (I) he must succeed (S), but Nana is not intelligent (N) iii) Bribery (B) can give you a good past (9), but is not a good practice (P) iv) It is not a good thing to be proud (P). Either the green dress is nice (G) or it is too flamboyant for the party (F).
4 pts6.d
La vérité
Put the syllogism below into standard form; i) All writers are authors and some writers are famous persons. So, some famous persons are authors. ii) Not all mothers can teach their children because they are lay women this implies that all laywomen cannot teach their children.
4 pts6.e
La vérité
Not all mothers can teach their children because they are laywomen this implies that all laywomen cannot teach their children.
4 pts6.f
La vérité
Determine the obverse and the converse of the following propositions: (i) All Pastors are honest men Obverse Converse (ii) No girls are liars Obverse Converse (ii) Determine the contraposition of; All children are nice persons Obverse Converse Obverse
7 pts6.g
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