Problem Set 1 (due Friday 95.09.15)
(a) Exercise 2, page 78.
(b) Exercise 6, p 78.
Exercise 8, p 79.
Without the notational conventions of pp 76-77, the two wff's in this
exercise are ambiguous. In effect you are asked to parenthesize the
two wff's in order to disambiguate them.
Exercise 2, p 94.
For this exercise you may find it helpful to read
the last example on p 86 and the first example on p 87.
Exercise 12, p 95.
Do parts (a) and (b) only.
Exercise 18, p 96.