a. the truth-values of the given sets of propositions (true, false or doubtful);
b. identify the relationship between the given sets of propositions (contradictory, contrary, subaltern, subcontrary, obverse, converse, partial cotrapositive or full contrapositive ).
1. It is false that all honest persons are God-fearing. Therefore to say that some God- fearing persons are honest is (a)___________ . (b) ____________
2. Many social issues are political in nature is true. Thus, it is (a) ____________ to conclude that some social issues are not political in nature.(b) ____________
3. It is (a) ____________ to say that all medical professionals are not committed …show more content…
(TRUE)
(a) _____________ Some Christians are believers in God. (b) _______________ (a) _____________ Not all believers in God are Christians. (b) _______________ (a) _____________ Not all believers in God are non-Christians. (b) _______________
(a) _____________ All believers in God are Christians. (b) _______________
(a) _____________ No believer in God is a Christian. (b) _______________
III. Test the validity of the given syllogisms. If it is invalid, state the rule/s violated. If it is valid, simply write valid on the space provided. ( 2 points each )
1. All fruits are nutritious. All vegetables are nutritious. Therefore, some fruits are vegetables. _____________________________________
2. All intelligent individuals are fast-learners.
But not all intelligent individuals are geniuses.
So, not all fast-learners are geniuses.
_____________________________________
3. All mammals are warm-blooded.
Human beings are mammals.
Therefore, human beings are warm-blooded.
_____________________________________
4. Some prisoners are not criminals.
All criminals are law-violators.
So, some prisoners are not law-violators. …show more content…
All production line employees are trainable.
All nurses are not production line employees.
Therefore, all nurses are not trainable.
_____________________________________
9. Not all militants are rebels.
But all militants are reformists.
Therefore, some reformists are not rebels.
_____________________________________
10. All musicians are artists.
Some artists are sculptors.
So some sculptors are musicians.
_____________________________________
IV. Provide valid conclusions on the following. Otherwise, simply write NONE on the space provided.
1. All fruits are nutritious.
Mango is a fruit.
Therefore, __________________________________
2. All nurses are medical professionals.
Some medical professionals are specialists.
Therefore, __________________________________
3. All natural calamities are destructive events.
But all wars are not natural calamities.
Therefore, __________________________________
4. Some NBA teams are not defense-oriented.
But all winning teams are defense-oriented.
Therefore, __________________________________
5. No dishonest person is sincere.
But some businessmen are dishonest.
Therefore,