Multiple choices 46/50
Answer (Choose 1 answer)
(See picture)
A. There exists one student in class CS 120 that has studied Physics and has a friend.
B. There exists a student who has a friend in class CS120 that has studied Physics.
Next
Let Q(x, y) be the statement "Student.x has studied subject y",S(x, z) the statement "Student.x is in class z",F(x, x') the statement "Students x and x' are friends".
Translate the logical expression
Exx' (S(x, CS120) F(x, x')Q(x', Physics))
into a sentence.
C. Every student in class CS120 has a friend that has studied Physics.
D. There exists one friend of a student in class CS120 that has studied Physics.
E. None of the other choices is correct
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