Question 2 (see above) Which of the following is equivalent to the statement "All medalists have no friends"? A. O Væ.Ay.M(x) → F(x, y) в. O Va.Vy.-F (х, у) —— М(у)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Assume the following symbols for each of the questions below. The domain is people.
Symbol
Meaning
M(x)
x won a medal
A(x)
x is an athlete
C(x, y)
x coaches y
F(r, y)
x and y are friends
T(x, y)
x and y are team-mates
D(x,y)
x defeated y
Question 2 (see above)
Which of the following is equivalent to the statement "All medalists have no friends"?
A. O Væ.Ay.M(x) → F(x, y)
в. O Va.Vy.-F(1, у) — М(у)
C. O Væ.Vy.¬F(x, y) → ¬M(x)
D. O Ja.Vy.M(x) → ¬F(x,y)
E. O None of the above
Transcribed Image Text:Assume the following symbols for each of the questions below. The domain is people. Symbol Meaning M(x) x won a medal A(x) x is an athlete C(x, y) x coaches y F(r, y) x and y are friends T(x, y) x and y are team-mates D(x,y) x defeated y Question 2 (see above) Which of the following is equivalent to the statement "All medalists have no friends"? A. O Væ.Ay.M(x) → F(x, y) в. O Va.Vy.-F(1, у) — М(у) C. O Væ.Vy.¬F(x, y) → ¬M(x) D. O Ja.Vy.M(x) → ¬F(x,y) E. O None of the above
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