The New Encyclopædia BritannicaEncyclopædia Britannica, 1992 |
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Page 249
... variable followed by any number of individual variables is a wff of the predicate calculus . Such a wff is known as an atomic formula , and the predicate variable in it is said to be of degree n , if n is the number of individual variables ...
... variable followed by any number of individual variables is a wff of the predicate calculus . Such a wff is known as an atomic formula , and the predicate variable in it is said to be of degree n , if n is the number of individual variables ...
Page 252
... variable be monadic , while still allowing an infinite number of indi- vidual and predicate variables . The atomic wff's are then simply those consisting of a predicate variable followed by a single individual variable . Otherwise , the ...
... variable be monadic , while still allowing an infinite number of indi- vidual and predicate variables . The atomic wff's are then simply those consisting of a predicate variable followed by a single individual variable . Otherwise , the ...
Page 254
... variables that occur in quantifiers are individual variables . It is in virtue of this feature that they are called lower ( or first - order ) calculi . Various predicate calculi of higher order can be formed , however , in which ...
... variables that occur in quantifiers are individual variables . It is in virtue of this feature that they are called lower ( or first - order ) calculi . Various predicate calculi of higher order can be formed , however , in which ...
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