The Port Royal Art of Thinking; In Four Parts

The Port Royal Art of Thinking; In Four Parts

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1818 edition. Excerpt: ...RULE. One of the two first Propositions must be Negatiae, and by Consequence, so must also be the Conclusion by the Sixth general Rule. For if they were both affirmative, the middle term, which is always the predicate, would be taken twice particularly contrary to the first general Rule. ' 2. RULE. The Major must be Universal. For the conclusion being negative, the greater term shall be taken universally. Now the same term is the subject of the major. Therefore it ought to be universal, and by consequence renderthe major universal. DEMo1rs'rRs'r1oN.--That there can be butfour lllodes in the Second Figure. g Of the ten concluding Modes, the four Affirmative are excluded by the second Rule of this Figure, that one of the Premises ought to be Negative. O. A. O. is excluded by the second Rule, that the major ought to be Universal. Ii. A. U. is excluded for the same Reason, as in the first Figure because the lesser Term is the Subject in the Minor. So that only these four Modes remain. 2' General. 2. Particular. Wliich four Modes are comprehended under these Artificial Wo'ds. C E-No Liar is to be believed. S A-Every good Man is to be believed. R E. Therefore no good Man is a Liar. C A-All those that belong to Jesus Christ, Crucify the Flesh. M E S-All those that lead a Life o_fPleasure and Voluptaousness, do not Crucify themselves. 'I' R E S. Therefore none of those belong to Jesus Christ. F E S-No Virtue is contrary to the Love ofTrath. T I-There is a Love of Peace which is contrary to the Loveof ' Truth. 'N O. Therefore there is a Love of Peace which is not Virtue. B A-All Virtue is accompanied with Discretion'. ROC-There are some sorts of Zeal that are not accompanied with 1 Prudence. ' ' C O. Therefore all...show more

Product details

  • Paperback | 108 pages
  • 189 x 246 x 6mm | 209g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236792335
  • 9781236792334