Question: 2. [20pts] Show that each proposition below is logically equivalent to a formula in which A, +, e, and do not appear (thereby showing that

2. [20pts] Show that each proposition below is logically equivalent to

2. [20pts] Show that each proposition below is logically equivalent to a formula in which A, +, e, and do not appear (thereby showing that ( v} is functionally complete). Use the equivalence rules of section 1.3 as well as other known equivalences .g., (p 9) = ((p V9) A-(19))to derive a sequence of equivalent propositions (the last being your intended solution). (a) (19) (b) (p ) (C) (P+) (d) (p 9)

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