A Guide to Syllogism, Or, A Manual of Logic: Comprehending an Account of the Manner of Disputation Now Practised in the Schools at Cambridge; with Specimens of the Different Acts. Adapted to the Use of the Higher Forms in Grammar Schools, and of Junior Students at the University |
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Common terms and phrases
A.M. Rector accidens Æneid affirmative animals antecedent birds blasphemous writers Cæsar called Camestres categorical syllogism Celarent clusion Concedo minorem conclusion conditional syllogisms connexion consequentia et argumentum constructive constructive dilemma contradictory converse by negation copies Rev copula cùm Darapti deserves destructive dilemma dilemma disagree disjunctive DISJUNCTIVE SYLLOGISMS distributed Dokamo enthymeme Ergo cadit quæstio Ergo valent consequentia Ergo valet Ergo valet consequentia exposita faith Fakoro fallacious false Ferio fides Fulham G is H gisms hypothetical syllogisms igitur illicit process infer intermediate propositions islands are fertile justification Kensington Logic major proposition major term middle term minor et argumentum minor premiss minor term negative opera bona opponent Oxon particular paschal piaculare predicate propo quâ question rain has fallen RESPONDENS respondent RESPONSUM Rule sacrificium simple converse sition sorites subalternate Subcontraries subject and predicate syllogismum thing tion true truth universal universal propositions valent consequentia et valet consequentia valet minor
Popular passages
Page 83 - The parts or members must be opposed; ie must not be contained in one another: eg if you were to divide " book" into "poetical, historical, folio, quarto, French, Latin,
Page 49 - If A is B, C is D ; and if E is F, G is H ; But either A is B or E is F ; Therefore either C is D or G is H.
Page 46 - A disjunctive syllogism is when the major proposition is disjunctive ; as, The earth moves in a circle^ or an ellipsis ; But it does not move in a circle ; Therefore, it moves in an ellipsis. 564. A disjunctive syllogism may have many members, or parts ; thus, It is either spring, summer, autumn, or winter ; But it is not spring, autumn, nor summer; Therefore, it is winter.
Page 93 - a man speaking"). "An unburied corpse" (you might say, "a buried corpse"). Term (A Relative), that which expresses an object viewed in relation to the whole, or to another part of a more complex object of thought; as "half" and "whole," "master and servant." Such nouns are called correlative to each other ; nor can one of them be mentioned without a notion of the other being raised in the mind. Term (A Simple) expresses a completed act of apprehension, but no more ; and may be used alone either as...
Page 26 - When the middle term is made the subject of the major premiss, and the predicate of the minor...
Page 9 - Indefinite is understood as a universal: eg, birds have wings ; ie all: birds are not quadrupeds ; ie none: in contingent matter, (ie where the terms partly (ie sometimes) agree, and partly not) an Indefinite is understood as a particular ; eg, food is necessary to life...
Page 54 - Sorites; in which the Predicate of the first proposition is made the Subject of the next; and so on, to any length, till finally the Predicate of the last of the Premises is predicated (in the Conclusion) of the Subject of the first: eg A is B, B is C, C is D, D is E; therefore A is E.
Page 92 - foolish," both coming under the class of mental qualities. There are some objects to -which neither of such terms is applicable ; a stone is neither wise nor foolish. Term (A Definite), one which marks out an object or class of beings ; as " Caesar,"
Page 75 - A singular proposition is a universal one; for it applies to the whole of its subject. 16. Whatever tends to withdraw the mind from pursuits of a low nature deserves to be promoted ; classical learning does this, since it gives us a taste for intellectual enjoyments; therefore it deserves to be promoted.
Page 22 - No term must be distributed in the conclusion which was not distributed in one of the premises...