implify -(-m→(-n^-m)) to ¬man Select a law from the right to apply Laws Distributive Complement -(-m→(-n^-m)) (алb)v(алс) an(bvc) av-a ET (avb)^(avc) av(bAc) ала F Commutative E F avb bva -F ET аль baa Identity De Morgan's ant E a аль) -av-b avF E a -(avb) -an-b Double negation Conditional ma E a a-b ¬avb a-b (a-b)^(b¬a) II III II II III II

(For thought) a. A token of a computer language is any sequence of characters, with no intervening characters or white space, that taken as a unit has a unique meaning. Using this definition of a token, determine whether escape sequences, function names, and the keywords listed in Table 2.1 are tokens of the C++ language. b. Discuss whether adding white space to a message alters the message and whether messages can be considered tokens of C++. c. Using the definition of a token in Exercise 4a, determine whether the following statement is true: “Except for tokens of the language, C++ ignores all white space.”