Philosophy Lexicon of Arguments

Author Item Excerpt Meta data
Geach, Peter T.
Books on Amazon
Sets I 215 ~
Classes/Geach: must not be treated as objects (> paradoxes) - Solution:
I 215 ~
Relation/Geach: instead of a class: solution to problems - a class may be no object (> paradoxes) Relation: E.g. diameter/Plate: - E.g. father-son-grandson: same relation, but no common subject.
I 221
"is a..."/Geach: no logical relation between an x and an object (class) called "man".
I 222
Classes/Geach: can be viewed as an object only when we say, "the class of A’s may be the same as the class of the B’s, although something is an A, without being a B".

Gea I
P.T. Geach
Logic Matters Oxford 1972

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Ed. Martin Schulz, access date 2017-03-30