Which of the following statements is true?,

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COMPOUND STATEMENTS

CONJUNTION (&): T F F F

DISJUNCTION (v): T T T F

EXCLUSIVE DISJUNCTION (Ve): F T T F

Logical Rel. Bt. Sentences

MATERIAL IMPLICATION (à): T F T T

MUTUTAL IMPLICATION (ßà): T F F T

Meaning Rel. Bt. Sentences

ENTAILMENT

P      Q

T àT

FàT/F

T/FßT

Fß F

PARAPHARSE / MUTUAL ENTAILMENT

P      Q

T àT

FàF

FßT

Fß F

CONTRADICTION (never/sometimes)

P      Q

T àF

FàT

FßT

Tß F

INCOMPATIBILITY/CONTRARIETY (never/always)

P      Q

T àF

FàT/F

TßT

T/Fß F

PRESUPPOSITION

P      Q

T àT

FàT

T/FßT

 (?)ß F truth Valueless


the predicate is the nucleous of the sentence bc it holds the sentence ttogether, tells what kind of state of affairs is being described and specifies what individuals are required to play a role in the sentence.

that P is a sufficient condition for Q, but not A necessary one (i.E., Q may be true in circumstances other than P, say, if Mary has a Siamese cat, or the emperor drowned). On the other hand, Q is a necessary Condition for P, but not a sufficient one: from the fact that Mary has A cat or that the emperor died we cannot conclude that Mary’s cat is a Burmese Cat, or that the anarchist assassinated the emperor.

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