No Conclusion. [Fallacy of Unlike Eliminands with an Entity-Premiss.]
14. No fossil can be crossed in love;
An oyster may be crossed in love.
Oysters are not fossils.
Univ. “things”; m = things that can be crossed in love; x = fossils; y = oysters.
xm0 † y1m′0 ¶ y1x0 [Fig. I (α).
Conclusion right.
[pg152]15. All uneducated people are shallow;
Students are all educated.
No students are shallow.
Univ. “people”; m = educated; x = shallow; y = students.
m′1x′0 † y1m′0 ¶ xy′1 [Fig. III.
Conclusion wrong: right one is “Some shallow people are not students.”
16. All young lambs jump;
No young animals are healthy, unless they jump.
All young lambs are healthy.