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QUESTION 3 [ 7 ] Let P and Q be two predicate symbols, each with two arguments, f a function symbol with one argument and

QUESTION 3
[7]
Let
P and Q be two predicate symbols, each with two arguments,
f a function symbol with one argument and
c a constant symbol.
x,y,z are variables
For each of the following, state whether it is a term or a well-formed formula (wff) or neither. If it is neither a term nor a wff, state the reason.
Question 3.1P(x,Q(x,y))
Question 3.2EExEEcP(x,c)
Question 3.3EEy(Q(x,y)??(f(x)vvf(y)))
Question 3.4P(x,c)vvEExQ(x)
Question 3.5 AAxP(x,f(c))EEyQ(x,y)
Question 3.6Q(x,f(x))P(f(x),y)
Question 3.7,f(f(f(y)))
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