Synopsis
A System Of Logic: Comprising A Discussion Of The Various Means Of Acquiring And Retaining Knowledge, And Avoiding Error by P. Mcgregor is a dense, methodical guide to how people acquire, retain, and deploy knowledge, blending cognitive psychology, pedagogy, and epistemology. The work outlines a comprehensive framework for understanding how memory works, how external aids such as writing and symbols extend remembering beyond the mind, and how careful classification and systematic study improve reasoning. It discusses eight requisites for ready knowledge, from thorough initial understanding to disciplined study habits and organized indexing. It treats futurity with cautious probabilism, arguing that knowledge of future events is limited but practically valuable, and that probability suffices for prudent action. The text advocates induction, testing, and avoidance of fallacies, and it presents a threefold account of truth—intuitions, comprehensions, and inferences—along with the cognitive faculties involved in perception, memory, abstraction, and reasoning. The aim is to harmonize science, philosophy, religion, and ethics while guiding education and intellectual growth.
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