Friday

November 21, 2014

November 21, 2014

Posted by **cody** on Sunday, February 5, 2012 at 9:19am.

All painters use brushes.

Some people who use brushes are teachers.

Some painters are teachers.

(The second sentence is suppose to have a line underneath it, and also the problem has a Venn diagram with three circles. In circle A:Use brushes, In circle B:Painters, B is located inside circle A, then circle C:Teachers, it is somewhat of a little bit inside circle A. But the question is wanting to know if the problem is valid or invalid.

- college mathematics -
**Anonymous**, Sunday, February 5, 2012 at 6:00pmThe conclusion is invalid.

Consider the set of people who use brushes. Some of them are painters, since all painters use brushes.

But there is no guarantee that the brush people who are teachers include any painters.

**Answer this Question**

**Related Questions**

Math-geometry - Given the argument and its Euler diagram below, determine ...

college mathematics - 9. Create a Euler diagram to determine whether the ...

college mathematics - 9. Create a Euler diagram to determine whether the ...

math - Given the argument and its Euler diagram, determine the syllogism is ...

math - use the euler diagram to determine if the syllogism is valid or invalid ...

Math - Create a Euler diagram to determine whether the syllogism is valid or ...

college mathematics - In Exercises 13–32, determine whether the argument is ...

math - Determine if the argument is valid or invalid. Give a reason to justify ...

Philosophy - For the following argument, a) Translate into standard form (if not...

math - Use Venn diagrams to check the validity of the argument. All bachelors ...