Question 1
Statements:
All nurses are architects.
All architects are artists.
Conclusions:
I. All nurses are artists.
II. Some artists are nurses.
Venn Diagram Method:
Draw three circles for nurses, architects, and artists.
Step 1: "All nurses are architects" → Circle of nurses completely inside architects
Step 2: "All architects are artists" → Circle of architects completely inside artists
Step 3: Result: nurses ⊂ architects ⊂ artists
Analytical Method (A + A = A):
All nurses are architects (A) + All architects are artists (A) = All nurses are artists (A)
Verification:
✓ Conclusion I: "All nurses are artists" - FOLLOWS (direct rule application)
✓ Conclusion II: "Some artists are nurses" - FOLLOWS (if all A are C, then some C are A)
Answer: Both conclusions I and II follow
Draw three circles for nurses, architects, and artists.
Step 1: "All nurses are architects" → Circle of nurses completely inside architects
Step 2: "All architects are artists" → Circle of architects completely inside artists
Step 3: Result: nurses ⊂ architects ⊂ artists
Analytical Method (A + A = A):
All nurses are architects (A) + All architects are artists (A) = All nurses are artists (A)
Verification:
✓ Conclusion I: "All nurses are artists" - FOLLOWS (direct rule application)
✓ Conclusion II: "Some artists are nurses" - FOLLOWS (if all A are C, then some C are A)
Answer: Both conclusions I and II follow