Propositional variable: Difference between revisions

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In first order logic: predicate log
Predicate logic: predicate letters with individuals Pa, aRb
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==Predicate logic==
Propositional variables arecan representedbe asconsidered nullary [[Predicate (mathematical logic)|predicates]] in [[first order logic]], because there are no object variables x, y.., attached to predicate letters Px, xRy,... The internal structure of propositional variables contains predicate letters P, Q,.. in association with individual constants a, b, .. having the form Pa, aRb.
 
==See also==