By A.A. Zinov'ev, J.E. Blakeley

(complex logic)
Boston experiences within the philosophy of technology V.9 revised translation of osnovy logicheskoi teorii nauchnykh znanii.

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3 n (n^l) are signs and a means that this sign is constructed with the help of some operators. , n; i^k; / = 1 , . . , n. ~(3-{a;3})-~({a;3}-3). In the formation of complex signs from simple ones there is a change of the latter such that one needs some skill in order to discover out of which signs a given complex sign is constructed. We assume the presence of such skill: this is equivalent to assuming that a complex sign is a set of strictly localized signs, ordered in time and space. If in the process of combining the type of sign changes so that there is no physical resemblance with the point of departure, then there have to be conventions on the relationship of the meaning of the primitive signs and their modifications in the context of the complex sign as physically distinct signs.

Sign-generative operators can now be classified as applicable to signs of one and the same category and to signs of different categories, and as providing signs of one category and of another, etc. , as a special discipline), has to take account of all possible, logically conceivable cases of this type as well as of the corresponding assertions. 12. EXISTENCE OF OBJECTS In dealing with signs it is important to know if the objects which correspond to them exist or not. It is impossible to find a definition of existence and non-existence which would satisfy all sciences and all instances of knowledge.

Logical operators can be used to define the other logical devices which (together with the operators) are called logical signs. Although this is not a fully correct use of words, we will accept it, noting that the word "logical" here needs some clarification: logical signs are signs, the meaning of which is investigated and established in logic. 4. COMPLEX TERMS AND SENTENCES Sometimes sentences are considered as complex assertory terms. It is of course legitimate to regard terms and sentences from some general point of view: both are structures of signs.

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