Question 1
Statements:
No engineers is a accountants.
All managers are accountants.
Conclusions:
I. No accountants is a engineers.
II. No managers is a engineers.
III. Some accountants are not engineers.
Immediate vs Mediate Inference:
Immediate Inference: Direct conversion from one statement
Mediate Inference: Deduction requiring multiple statements
Checking Each Conclusion:
✓ Conclusion I: "No accountants is a engineers" - IMMEDIATE INFERENCE
Conversion of "No engineers is a accountants" - FOLLOWS
✓ Conclusion II: "No managers is a engineers" - MEDIATE INFERENCE
All C are B (A) + No B is A (E) = A + E = E - FOLLOWS
✓ Conclusion III: "Some accountants are not engineers" - IMMEDIATE INFERENCE
From "No A is B", definitely some B are not A - FOLLOWS
Answer: All conclusions I, II and III follow
Immediate Inference: Direct conversion from one statement
Mediate Inference: Deduction requiring multiple statements
Checking Each Conclusion:
✓ Conclusion I: "No accountants is a engineers" - IMMEDIATE INFERENCE
Conversion of "No engineers is a accountants" - FOLLOWS
✓ Conclusion II: "No managers is a engineers" - MEDIATE INFERENCE
All C are B (A) + No B is A (E) = A + E = E - FOLLOWS
✓ Conclusion III: "Some accountants are not engineers" - IMMEDIATE INFERENCE
From "No A is B", definitely some B are not A - FOLLOWS
Answer: All conclusions I, II and III follow