Question 1
Statements:
All mammals are cold-blooded.
Some cold-blooded are diurnal.
No diurnal is a invertebrates.
Conclusions:
I. Some mammals are not invertebrates.
II. Some cold-blooded are not invertebrates.
III. No invertebrates is a diurnal.
Step-by-Step Analysis:
Statement 1: All mammals are cold-blooded → mammals inside cold-blooded
Statement 2: Some cold-blooded are diurnal → cold-blooded and diurnal overlap
Statement 3: No diurnal is a invertebrates → diurnal and invertebrates separate
Checking Conclusions:
✗ Conclusion I: "Some mammals are not invertebrates"
Cannot determine relationship between mammals and invertebrates - NOT PROVEN
✓ Conclusion II: "Some cold-blooded are not invertebrates"
Some cold-blooded are diurnal (given) + No diurnal is invertebrates (given)
Those cold-blooded which are diurnal cannot be invertebrates - FOLLOWS
✓ Conclusion III: "No invertebrates is a diurnal"
Conversion of "No diurnal is a invertebrates" - FOLLOWS
Answer: Conclusions II and III follow
Statement 1: All mammals are cold-blooded → mammals inside cold-blooded
Statement 2: Some cold-blooded are diurnal → cold-blooded and diurnal overlap
Statement 3: No diurnal is a invertebrates → diurnal and invertebrates separate
Checking Conclusions:
✗ Conclusion I: "Some mammals are not invertebrates"
Cannot determine relationship between mammals and invertebrates - NOT PROVEN
✓ Conclusion II: "Some cold-blooded are not invertebrates"
Some cold-blooded are diurnal (given) + No diurnal is invertebrates (given)
Those cold-blooded which are diurnal cannot be invertebrates - FOLLOWS
✓ Conclusion III: "No invertebrates is a diurnal"
Conversion of "No diurnal is a invertebrates" - FOLLOWS
Answer: Conclusions II and III follow