Which of these are propositions? What are the truth values of those that are propositions? a) Do not pass go. b) What time is it?

amanf

amanf

Answered question

2021-01-08

Which of these are propositions? What are the truth values of those that are propositions?

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.

f) 2100.

g) Kochi is the capital of Kerala state.

h) 2+3=5.

i) 5+7=10.

j) Answer this question.

Answer & Explanation

berggansS

berggansS

Skilled2021-01-09Added 91 answers

b) What time is it? It is not propositions because we can not give true or false value to this statement
c) There are no black flies in Maine. yes , its a propositions
d) 4 + x = 5. No, its not propositions because it is true for some value and false for others
e) The moon is made of green cheese. yes, its propositions
f) 2100. No, for the same reason
g) Kochi is the capital of Kerala state. yes, we can give true or false value to it
h) 2 + 3 = 5. yes , its a propositions
i) 5 + 7 = 10. yes , its a propositions
j) Answer this question. Nope, its not a propositions
madeleinejames20

madeleinejames20

Skilled2023-06-14Added 165 answers

a) Do not pass go. - Not a proposition.
b) What time is it? - Not a proposition.
c) There are no black flies in Maine. - Proposition (True/False depending on the presence of black flies in Maine).
d) 4+x=5 - Proposition (True when x=1, False otherwise).
e) The moon is made of green cheese. - Proposition (False).
f) 2100 - Proposition (False).
g) Kochi is the capital of Kerala state. - Proposition (True).
h) 2+3=5 - Proposition (False).
i) 5+7=10 - Proposition (False).
j) Answer this question. - Not a proposition.
Eliza Beth13

Eliza Beth13

Skilled2023-06-14Added 130 answers

Answer:
a) False
b) False
c) True
d) True
e) False
f) False
g) True
h) False
i) False
Explanation:
a) Do not pass go. This is not a proposition because it is a command rather than a statement with a truth value.
b) What time is it? This is not a proposition because it is a question and does not express a statement with a truth value.
c) There are no black flies in Maine. This is a proposition. Let's assume it is true.
d) 4+x=5. This is a proposition. Let's solve it: 4+x=5x=1. Therefore, the truth value of this proposition is true.
e) The moon is made of green cheese. This is a proposition. Let's assume it is false.
f) 2100. This is a proposition. However, 2 is not greater than or equal to 100, so the truth value of this proposition is false.
g) Kochi is the capital of Kerala state. This is a proposition. Let's assume it is true.
h) 2+3=5. This is a proposition. However, 2+3 is not equal to 5, so the truth value of this proposition is false.
i) 5+7=10. This is a proposition. However, 5+7 is not equal to 10, so the truth value of this proposition is false.
j) Answer this question. This is not a proposition because it is a command rather than a statement with a truth value.

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