U 3 H 6 Exe on validity of syllogism.doc

# U 3 H 6 Exe on validity of syllogism.doc - UNIT 3 HANDOUT 6...

• 2
• 100% (1) 1 out of 1 people found this document helpful

This preview shows pages 1–2. Sign up to view the full content.

UNIT 3 HANDOUT 6 Dr. S. DEO. Exercises validity of syllogism Logic: Deductive arguments . 37 & 38 Exercise 2.3 Determining the validity of categorical syllogisms All of the following are categorical syllogisms. Determine whether they are valid, and if invalid which rule is violated. 1. All Russians were revolutionaries and all anarchists were revolutionaries. Therefore all anarchists were Russians. Invalid - undistributed middle term (revolutionaries) 2. All perpetual motion devices are 100 percent efficient machines. All 100 percent efficient machines are machines with frictionless bearings. Therefore some machines with frictionless bearings are perpetual motion devices. Valid 3. All chocolate eclairs are fattening foods, because all chocolate eclairs are rich desserts, and some fattening foods are not rich desserts. All C are R All C are F. Therefore, some F are not R. Invalid - neg. conclusion with no neg. Premise 4. No writers of lewd and sensational articles are honest and decent

This preview has intentionally blurred sections. Sign up to view the full version.

This is the end of the preview. Sign up to access the rest of the document.
• Spring '18
• SINDHU
• Logic, Syllogism, Medical Association, DR. S. DEO, percent efficient machines

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern