Conditionals/Unit 2 Flashcards

1
Q

Conditional (4ex. IT.I.IM.O)

A

An if then statement

Ex.
if P(hypothesis), then q(conclusion)
q if P
P implies q
P only if q

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2
Q

Converse

A

If q, then p

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3
Q

Is the Converse of a conditional always true?

A

No, if u can think of one instance it is false, the entire sentence is false and is called a counterexample.

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4
Q

Converse of Conditional is true

A

Biconditional

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5
Q

Inverse

A

If not P, then not Q

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6
Q

Contrapositive

A

If not q, then not p

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7
Q

Conditional/Converse
Inverse/Contrapositive

Conditional: If it is raining, then the ground is wet

A

Conditional: If it is raining, then the ground is wet
Converse: If the ground is wet, then it is raining
Inverse: if it is not raining, then the ground is not wet
Contrapositive: If the ground is not wet, then it is not raining

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8
Q

Which are logically equivalent

A

Conditional&Counterpositive

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