Let F(x.y): "x is friend with y", N(x): "x is funny", W(x): "x is wise", R(x): "x is fair". The domain for x and y is the set of all persons. Select the symbolic (s) of: "All funny persons are friend with all not wise and not fair persons" Vx ay N(x) A -wY)A -NCy)-F(X, 3x vy N(x) A ¬wy)A -Ny)-F(X,y) Vx vy -(N(X) A -wty)) v Ny) V F(x.y) Vx vy N(X) A ¬Wy)A ¬Ny)-F(x.y) None of all the proposed answers

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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QUESTION 3
Let F(x.y): "x is friend with y", N(x): "x is funny", W(x): "x is wise",
R(x): "x is fair". The domain for x and y is the set of all persons.
Select the symbolic (s) of :
"All funny persons are friend with all not wise and not fair persons"
O vx 3y N(x) A ¬wty) A ¬N(y)-F(x,y)
O 3x vy N(x) A ¬wty) A ¬Ny)-F(x,y)
Vx Vy ¬(N(x) A -¬wty)) v N(y) V F(x.y)
Vx Vy N(x) A ¬wty) A ¬N(y)-F(X,y)
None of all the proposed answers
Transcribed Image Text:QUESTION 3 Let F(x.y): "x is friend with y", N(x): "x is funny", W(x): "x is wise", R(x): "x is fair". The domain for x and y is the set of all persons. Select the symbolic (s) of : "All funny persons are friend with all not wise and not fair persons" O vx 3y N(x) A ¬wty) A ¬N(y)-F(x,y) O 3x vy N(x) A ¬wty) A ¬Ny)-F(x,y) Vx Vy ¬(N(x) A -¬wty)) v N(y) V F(x.y) Vx Vy N(x) A ¬wty) A ¬N(y)-F(X,y) None of all the proposed answers
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