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The '''logic of information''', or the ''logical theory of information'', considers the information content of logical [[sign (semiotics)|sign]]s and expressions along the lines initially developed by [[Charles Sanders Peirce]].  In this line of work, the concept of information serves to integrate the aspects of signs and expressions that are separately covered, on the one hand, by the concepts of [[connotation and denotation|denotation]] and [[extension (semantics)|extension]], and on the other hand, by the concepts of [[connotation and denotation|connotation]] and [[comprehension (logic)|comprehension]].

The '''logic of information''', or the ''logical theory of information'', considers the information content of logical signs — everything from bits to books and beyond — along the lines initially developed by [[Charles Sanders Peirce]].  In this line of development the concept of information serves to integrate the aspects of logical signs that are separately covered by the concepts of [[denotation]] and [[connotation]], or, in roughly equivalent terms, by the concepts of [[extension]] and [[comprehension (logic)|comprehension]].

Peirce began to develop these ideas in his lectures "On the Logic of Science" at [[Harvard University]] (1865) and the [[Lowell Institute]] (1866).  Here is one of the starting points:

Peirce began to develop these ideas in his lectures "On the Logic of Science" at [[Harvard University]] (1865) and the [[Lowell Institute]] (1866).  Here is one of the starting points: