3 Using Venn diagrams test each of the argument forms below

3. Using Venn diagrams, test each of the argument forms below for validity. Be sure to indicate how the diagrams you draw support your verdict.

a)

All S are P.

No P are M.

Some S are not M.

b)

Some S are not P.

All M are P.

No S are M.

Solution

a)  

           All S are P.

          No P are M.

                this one now we see in ven diagram.

   so Some S are not M.

b)

    Some S are not P.

      All M are P.

        this one now we see in ven diagram.

so that No S are M