LOGIC (MS 339-1009)
An early work primarily on the intension and extension of terms which was superseded by "Upon Logical Comprehension and Extension" (G-1867-1e). Definition of "logic." Connotation, denotation, and information. The relationship of comprehension, extension, and implication summed up in the formula: Extension x comprehension = implication. Forms of induction and hypothesis.
Comprehension, logical (see also Connotation), Connotation (see also Comprehension), Denotation (see also Comprehension; Connotation), Extension logical, Hypothesis (see also Abduction; Induction), Implication, Induction, Information (see also Predicate), Intension, Logic (modal see Modality), Psychology
LOGIC / PRACTICAL LOGIC, NOTES, FRAGMENTS