Conversiunea si obversiunea Flashcards

(19 cards)

1
Q

Con. si obv. sunt

A

inferente deductive imediate

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2
Q

LDT

A

Potrivit legii distriburii termenilor un termen poate aparea distribuit in concluzie numai daca este distribuit si in premisa.
Se pleaca intotdeauna de la concluzie.

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3
Q

LDT pentru cele 4 propozitii categorice

A

S P
SaP: + -
SeP: + +
SiP: - -
SoP: - +

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4
Q

Conversiunea este

A
  • operatia logica prin care, in trecerea de la premisa la concluzie, se inverseaza ordinea termenilor;
  • de la o premisa de tip S-P ajungem la o concluzie de tim P-S;
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5
Q

Conversiunea este de 2 tipuri

A
  • simpla: pentru SeP si SiP;
  • accidentala: pentru SeP si SaP;
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6
Q

SoP caz special

A

SoP nu se converteste deoarece observam in diagrama ca in premisa ne referim la S-ul care nu e P, iar in concluzie la P-ul care nu este S. Se schimba obiectul gandirii;

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7
Q

Conversiunea simpla pentru Sip, Sep

A

SeP -> PeS;(++ la ambele);
diagrame euler: separate;

SiP ->PiS (– la ambele);
diagrame euler incrucisate;

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8
Q

Conversiunea accidentala

A

SaP -> PiS (+- -> –)
diagrama euler: doua cercuri, unul in interiorul celuilalt;

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9
Q

Obversiunea este

A

operatia logica prin care in trecerea de la premisa la concluzie se schimba calitatea propozitiei, iar predicatul premisei este negat in concluzie;

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10
Q

SaP obversiunea

A

SeP (cu liniuta)

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11
Q

SeP obversiunea

A

SaP (cu liniuta)

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12
Q

SiP obversiunea

A

SoP (cu liniuta)

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13
Q

SoP obversiunea

A

SiP (cu liniuta)

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14
Q

Regula obversiune

A

Reprezentam premisa si daca pe reprezentare se poate citi si concluzia, atunci rationamentul este valid.

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15
Q

Formule diagrame Venn

A

A. S(fara P) =0;
E: SP = 0;
I: SP != 0;
O: S(fara P) != 0;

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16
Q

SaP obv diagrama si linie

17
Q

SeP obv diagrama si linie

18
Q

SiP obv diagrama si linie

19
Q

SoP obv diagrama si linie