Answer to Question #315989 in Discrete Mathematics for Pravin

Question

Determine whether the following are propositions. Give the truth value of the propositions.

a) Asia is the largest of the Earth’s seven continents.

b) 4 + x = 5

c) 2 * 3 = 5

d) Answer this question

e) The human heart is shaped like an upside-down pear and is located slightly to the left of center inside the chest cavity

Answer 1

Proposition is an expression that can be classified as truth or false. Expression has truth value 1 if it's true and 0 if false

a) Asia is indeed the largest of the Earth’s seven continents, so it is proposition with truth value 1

b) 4+x=5 cannot be determined as true or false, it depends on value of x. not a proposition

c) 2*3=5 is a proposition with truth value 0, cause 2*3=6

d) This sentence cannot be determined as true or false. not a proposition

e) The human heart is indeed shaped like an upside-down pear and is located slightly to the left of center inside the chest cavity, so it is proposition with truth value 1