Elements of Logick Or a Summary of the General Principles And Different Modes
The book Elements of Logick Or a Summary of the General Principles And Different Modes was written by author Levi Hedge Here you can read free online of Elements of Logick Or a Summary of the General Principles And Different Modes book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Elements of Logick Or a Summary of the General Principles And Different Modes a good or bad book?
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87 to 93. ] It has generally been admitted, that demonstration can be employed only about such truths as have been termed necessary, the subjects of which are not supposed to have any real existence, but to be abstractly conceived by the mind. All created beings depend on the will of their Creator. Their existence, their properties, and of course the relations, subsisting among those properties, are contin- * Demoivre, Doctrine of Chances, Introduction. Kirwan, Logick. Part ill. Ch. 7. DEMONSTR...ATIVE REASONING. 109 gent, and perpetually varying. Our reasoning on these must be grounded on the observation of our senses ; and the conclusions, which we make, are liable to be uncertain. But demonstrative reasoning, being grounded on exact and adequate definitions, and proceed- ing by the successive application of general propositions, which have an intuitive agree- ment with each other, affords satisfaction in every step ; and the mind advances to the conclusion with the fullest assurance of cer- tainty.
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