INSTRUCTIONS
Put each of the following syllogisms into standard form, name its mood and figure:
PROBLEMS
1. Some reformers are fanatics, so some idealists are fanatics, because all reformers are idealists.
2. Some philosophers are mathematicians; hence some scientists are philosophers, because all scientists are mathematicians.
3. Some mammals are not horses, for no horses are centaurs, and all centaurs are mammals.
4. Some neurotics are not parasites, but all criminals are parasites; it follows that some neurotics are not criminals.
5. All underwater craft are submarines; therefore no submarines are pleasure vessels, because no pleasure vessels are underwater craft.
1. A few reformers are devotees
All reformers are visionaries
A few visionaries are fan
2. A few logicians are mathematicians
All researchers are mathematicians
A few researchers are logicians
3. Some mammals are not horses
All centaurs are mammals
No horses are centaurs
4. A few depressed people are not parasites
All hoodlums are parasites
A few depressed people are not offenders
5. No delight vessels are submerged art.
All submerged specialty are submarines
No submarines are delight vessels
INSTRUCTIONS Put each of the following syllogisms into standard form, name its mood and figure: PROBLEMS...
INSTRUCTIONS Put each of the following syllogisms into standard form, name its mood and figure: PROBLEMS 1. Some reformers are fanatics, so some idealists are fanatics, because all reformers are idealists. 2. Some philosophers are mathematicians; hence some scientists are philosophers, because all scientists are mathematicians. 3. Some mammals are not horses, for no horses are centaurs, and all centaurs are mammals. 4. Some neurotics are not parasites, but all criminals are parasites; it follows that some neurotics are not...
INSTRUCTIONS For each of the following arguments, a. Translate the argument into standard form. b. Name the mood and figure of its standard-form translation. c. Test its validity using the rules and mood. If it is valid, give its traditional name. d. If it is invalid, name the fallacy it commits. Question 5. All syllogisms having two negative premises are invalid. Some valid syllogisms are sound. Therefore some unsound arguments are syllogisms having two negative premises.
INSTRUCTIONS For each of the following arguments, a. Translate the argument into standard form. b. Name the mood and figure of its standard-form translation. c. Test its validity using the rules and mood. If it is valid, give its traditional name. d. If it is invalid, name the fallacy it commits. 2. … no names come in contradictory pairs; but all predicables come in contradictory pairs; therefore no name is a predicable. —Peter Thomas Geach, Reference and Generality (Ithaca, NY:...