Complete Works of Lewis Carroll (179 page)

∴
Some
x
are
y
′
.

4. 

No
x
′
are
m
′
;

All
y
′
are
m
.

There is no Conclusion.

5. 

Some
m
are
x
′
;

No
y
are
m
.

∴
Some
x
′
are
y
′
.

6. 

No
x
′
are
m
;

No
m
are
y
.

There is no Conclusion.

7. 

No
m
are
x
′
;

Some
y
′
are
m
.

∴
Some
x
are
y
′
.

8. 

All
m
′
are
x
′
;

No
m
′
are
y
.

∴
Some
x
′
are
y
′
.

9. 

Some
x
′
are
m
′
;

No
m
are
y
′
.