Equivalências Lógicas Flashcards

1
Q

De Morgan

A

~(p ˄ q) ↔ (~ p ˅ ~q)

~(p ˅ q) ↔ (~p ˄ ~q)

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2
Q

Associação

A

[p ˅ (q ˅ r)] ↔ [(p ˅ q) ˅ r]

[p ˄ (q ˄ r)] ↔ [(p ˄ q) ˄ r]

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3
Q

Comutação

A

(p ˅ q) ↔ (q ˅ p)

(p ˄ q) ↔ (q ˄ p)

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4
Q

Distribuição

A

[p ˄ (q˅ r)] ↔ [(p ˄ q) ˅ (p ˄ r)]

[p ˅ (q ˄ r)] ↔ [(p ˅ q) ˄ (p ˅ r)]

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5
Q

Dupla Negação

A

p ↔ ~~ p

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6
Q

Implicação Material

A

(p→ q) ↔ (~p ˅ q)

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7
Q

Transposição

A

(p → q) ↔ (~q → ~p)

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8
Q

Equivalência Material

A

(p ↔ q) ↔ [(p → q) ˄ (q → p)]

(p ↔ q) ↔ [(p ˄ q) ˅ (~p ˄ ~ q)]

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9
Q

Tautologia

A

p ↔ (p ˅ p)

p ↔ (p ˄ p)

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10
Q

Exportação

A

[(p ˄ q) → r] ↔ [p → (q → r)]

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