(1.1.2 in the book) Which of these are propositions? What are the truth values of those that are proposi- tions? a) Do not pass go. b) What time is it? c) There are no black flies in Maine. d) 4 + x = 5. e) The moon is made of green cheese.

Explanation:

Proposition:  Is a collection of declarative statements which has either true or false value.

a) Do not pass go. --- Not a proposition

b) What time is it? Not a proposition

c) There are no black flies in Maine. --- It is a Proposition , Truth value : false

d) 4 + x = 5. Not a proposition

e) The moon is made of green cheese. --- It is a Proposition, Truth value : False

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