An outline of the necessary laws of thought; a treatise on pure and applied logic . sthat which Euler has defcribed in his Lettres a uneprinceffe dAllemagne.* But, as it only reprefentsthe extenfion of the terms, and not the oppofite ca-pacity, of intenfion, it is inferior to that which hasjuft been defcribed. The fphere of a conception isreprefented by a circle; an affirmative judgment byone circle wholly or partly contained in another ;and a negative by two feparate circles. The judg-ment that All men are mortal has the effect ofincluding men in the clafs of mortal beings, whichwould be repr
An outline of the necessary laws of thought; a treatise on pure and applied logic . sthat which Euler has defcribed in his Lettres a uneprinceffe dAllemagne.* But, as it only reprefentsthe extenfion of the terms, and not the oppofite ca-pacity, of intenfion, it is inferior to that which hasjuft been defcribed. The fphere of a conception isreprefented by a circle; an affirmative judgment byone circle wholly or partly contained in another ;and a negative by two feparate circles. The judg-ment that All men are mortal has the effect ofincluding men in the clafs of mortal beings, whichwould be reprefented by a fmall circle for men, ina large one for mortal. The annexed diagram ex-hibits (1) the Mood AAA, (11) E A E, (111) A 11,and (iv) E I O, all of the firft Figure. § 105. Inference in Intenfion and a judgment may be interpreted either in its Note in Mr. Bay ties1 New Analytic, p. 153, and Difcuffions inPhilofophy, p. 614, by the fame author, for further elucida-tions of this fyftem. * Made known before Euler by Lange in his Nucleus Lo- 250 OUTLINE OF THE.
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Keywords: ., bookcentury1800, bookdecade1850, bookpublishere, booksubjectlogic
