Example 9
Mouse over the buttons to see the Venn diagram representation of the associated statements.


No comfortable vehicles are popular.
No wheelbarrows are comfortable.
The combined Venn diagram.


Try to determine if the conclusion

no wheelbarrows are popular

is contained in the combined Venn diagram and then check your answer.

If the conclusion is contained in the combined Venn diagram, then the conclusion is valid.

If the conclusion is not contained in the combined Venn diagram, then the conclusion is not valid.