DMU8D3 Skill Check Tautology Contradiction and Equivalence

The symbol ^ represents

• or

• negation

• and

• if.....then

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.A.2

CCSS.HSS.CP.B.8

Which of the following means "not p or not q"

• ~p v ~q

• p v q

• ~p v q

• p v ~ q

Tags

CCSS.HSS.CP.A.1

The following statements represent p and q

p: the sea is calm

q: the sun is up

Which of the following means "the sea is calm or the sun is not up"

• p v ~q

• p ^ ~q

• p v q

• ~p v ~q

Tags

CCSS.HSS.CP.A.1

What is the name of that sign?

• Implication

• Negation

• Inclusive Disjunction

• Conjuction

What is the name of that sign?

• Exclusive Disjunction

• Negation

• Inclusive Disjunction

• Conjuction

What is the name of that sign?

• Exclusive Disjunction

• Implication

• Inclusive Disjunction

• Negation

(1) is a:

• Tautology 

• Contradiction

• Contingency 

(1) is a:

• Tautology

• Contradiction

• Contingency

Are (1) and (2) logically equivalent?

• Yes

• No

What is the name of this symbol?  $∧$  

• Conjunction

• Disjunction

• Negation

• Implication

• Equivalence