proposition

What logical connective uses this (¬) symbol?

• Implication

• Negation

• Conjunction

It is a formula which is always false for every value of its propositional variables

• Contingency

• Tautology

• Contradiction

It is a formula which is always True for every value of its propositional variables

• Tautology

• Contradiction

• Contingency

"Close the door."

• Proposition

• Not proposition

Tags

CCSS.RI. 9-10.1

CCSS.RI.11-12.1

CCSS.RL.11-12.2

CCSS.RL.8.1

CCSS.RL.9-10.2

If you keep trying, then you will succeed.

• conditional

• biconditional

• negation

• conjunction

Tags

CCSS.L.11-12.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.8.2D

CCSS.W.9-10.2D

Contingency is a formula which is always true for every value of its propositional variables

• True

• False

What will be the truth value of P ∧ Q

if P = True and Q = False?

• True

• False

"Fish can fly."

• Proposition

• Not proposition

Tags

CCSS.L.3.5A

CCSS.RL.3.4

"x is greater than 2"

• Proposition

• Not proposition

Tags

CCSS.6.EE.B.6

Which of the following is NOT an example of a proposition?

• Cell is the smallest unit of life.

• $1+2=5$

• They are a great couple.

• $x+y=4$

Tags

CCSS.L.11-12.6

CCSS.L.8.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.9-10.2D