Basic Logic

What is the definition of proposition?

• Statement that is either true, false, or both.

• Statement that both is true and false.

• Statement that is either true or false, but not both.

• Statement that is true, false and both.

Which statement has a true truth value?

• Fish can walk

• Chicken has four legs.

• Birds can fly.

• Shark has two legs.

Tags

CCSS.L.1.1J

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.K.1D

What is the truth value for the statement below?

2x+1=3, given x=1

• True

• False

Tags

CCSS.6.EE.B.5

Determine whether the statement below is a proposition or not.

8x-1=7

• It is a proposition.

• It is not a proposition.

Why statement below is not a proposition?

Ha ha ha ha

• Question.

• Meaningless interjection.

• Command sentence.

In a disjunction, even if one of the statements is false, the whole disjunction is still...

• False

• Both true and false

• True

• Negated

Tags

CCSS.HSS.CP.A.1

In a truth table for a two-variable argument, the first guide column has the following truth values:

• F, F, T, T

• T, F, T, F

• T, F, F, F

• T, T, F, F

The four logical connectives are…

• Conjunctions, conditionals, compounds, and disjunctions

• Conjunctions, statements, disjuncts, and conditionals

• Conditionals, disjunctions, negations, and conjunctions

• Conjuncts, statements, conditionals, and negations

A conditional is false only when the hypothesis is…

• True and the conclusion is false

• False and the conclusion is false

• True and the conclusion is true

• False and the consequent is true

Which of the following statement is a proposition?

• Get me a glass of milkshake

• God bless you!

• What is the time now?

• The only odd prime number is 2