Truth Tables Flashcards by Elise Marshall

Q

What is the conjunction truth table (P+Q)

A

P Q P+Q

T T T
T F F
F T F
F F F

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Q

What is the conjunction?

A

P and Q

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Q

What is the disjunction?

A

P or Q

P v Q

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Q

What is the disjunction truth table

A

P Q PvQ

T T T
T F T
F T T
F F F

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Q

What is the conditional?

A

If P then Q

P–>Q

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Q

What is the conditional truth table

A

P Q P->Q

T T T
T F F
F T T
F F T

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Q

What is the biconditional

A

P if and only if Q

P Q

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Q

What is the truth table for the biconditional

A

P Q PQ

T T T
T F F
F T F
F F T

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Q

What is the negation

A

Not P

~P

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Q

What is the truth table for the negation

A

P ~P

T F
F T

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Q

When is it valid?

A

If a situation where all premises are true and conc. is true

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Q

When is it invalid?

A

When all premises are true but conc. is false

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