The elements of logick by Peter Du Moulin. Translated out of the French copie by Nathanael De-lavvne, Bachelour of Arts in Cambridge. With the authors approbation
About this Item
Title
The elements of logick by Peter Du Moulin. Translated out of the French copie by Nathanael De-lavvne, Bachelour of Arts in Cambridge. With the authors approbation
Author
Du Moulin, Pierre, 1568-1658.
Publication
London :: Printed by I[ames] D[awson] for Nicholas Bourne, at the Royall Exchange,
1624.
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Subject terms
Logic -- Early works to 1800.
Cite this Item
"The elements of logick by Peter Du Moulin. Translated out of the French copie by Nathanael De-lavvne, Bachelour of Arts in Cambridge. With the authors approbation." In the digital collection Early English Books Online 2. https://name.umdl.umich.edu/A69248.0001.001. University of Michigan Library Digital Collections. Accessed May 4, 2024.
Pages
descriptionPage 169
The fifth Chapter. A speciall note to know a perfect Demonstration.
OF all the markes of a perfect De∣monstration, this is the most e∣vident, when it may be conver••ed or reduced to a definition. For we haue said heretofore that the definition of a proper accident is compounded of three parts; namely, of the Genus of that which is defined, and of the pro∣per subject, and of the cause thereof. As the definition of Death is, the de∣struction of the life of the creature by the extinguishing of vitall heat. Out of this definition a demonstration may be framed, making the Subject of this accident to be the subject of the conclusion, the Genus to be the attribute, and the cause the Meane. As thus,
Whensoever the vitall heat is extin∣guished, life is destroyed.
descriptionPage 170
But in a living creature the vitall heat is extinguished.
Therefore in a living creature life is destroyed.
The same may be said of these de∣finitions following. Sleepe is the hea∣vinesse of a living creature, by the cessa∣tion of the common sense. Thunder is a noyse in the clouds, by the breaking out of the fire.