logica Flashcards

1
Q

De wet van de dubbele negatie

A

7(7p) <=> p

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2
Q

De wet van de uitgesloten derde

A

p v 7p

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3
Q

De omzetting van een implicatie in een disjunctie

A

(p => q) <=> (7p v q)

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4
Q

De wet van de contrapositie

A

(p =>q) <=> (7q => 7p)

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5
Q

De omzetting van een equivalentie in een conjunctie

A

(p <=> q) <=> (p => q) /\ (q => p)

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6
Q

De wet van de commutativiteit v/d conjunctie

A

p /\ q <=> q /\ p

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7
Q

De wet van de commutativiteit v/d disjunctie

A

p v q <=> q v p

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8
Q

De wet van de commutativiteit v/d equivalentie

A

(p <=> q) <=> (q <=> p)

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9
Q

De wet van de associativiteit v/d conjunctie

A

(p /\ q) /\ r <=> p /\ (q /\ r)

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10
Q

De wet van de associativiteit v/d disjunctie

A

(p v q) v r <=> p v(q v r)

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11
Q

De wet van de associativiteit v/d equivalentie

A

[(p <=> q) <=> r] <=> [p <=>(q <=> r)]

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12
Q

De wet van de distributiviteit v/d conjuntie t.o.v. de disjunctie

A

p /\ (q v r) <=> (p /\ q) v (p /\ r)

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13
Q

De wet van de distributiviteit v/d disjunctie t.o.v. de conjunctie

A

p v(q /\ r) <=> (p v q) /\ (p v r)

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14
Q

De wet van de transitiviteit v/d implicatie (hypothetisch syllogisme)

A

[(p => q) /\ (q => r)] => (p => r)

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15
Q

De wet van de transitiviteit van de equivalentie

A

[(p <=> q) /\ (q <=> r)] => (p <=> r)

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16
Q

De modus ponens

A

[(p => q) /\ p] => q

17
Q

De modus tollens

A

[(p => q) /\ 7q] => 7p

18
Q

De eerste wet van De Morgan

A

7(p /\ q) <=> 7p v 7q

19
Q

De tweede wet van De Morgan

A

7(p v q) <=> 7p /\ 7q