A treatise on logic, or, The laws of pure thoughtSever & Francis, 1864 |
From inside the book
Արդյունքներ 41–ի 1-ից 5-ը:
Էջ xi
... Divisions of the Science Utility of the Study of Logic CHAPTER III . THE PRIMARY AXIOMS OF PURE THOUGHT . These Axioms reduced to one Principle This Principle explicated into three Axioms Analytic distinguished from Synthetic Thought ...
... Divisions of the Science Utility of the Study of Logic CHAPTER III . THE PRIMARY AXIOMS OF PURE THOUGHT . These Axioms reduced to one Principle This Principle explicated into three Axioms Analytic distinguished from Synthetic Thought ...
Էջ xii
... Division . 66 70 72 75 77 84 86 90 93 CHAPTER V. THE DOCTRINE OF JUDGMENTS 105 • The Nature of the Copula . 109 The Predicables and the Categories . 112 The Quantity of Judgments , Aristotelic Doctrine . 120 The Quality of Judgments ...
... Division . 66 70 72 75 77 84 86 90 93 CHAPTER V. THE DOCTRINE OF JUDGMENTS 105 • The Nature of the Copula . 109 The Predicables and the Categories . 112 The Quantity of Judgments , Aristotelic Doctrine . 120 The Quality of Judgments ...
Էջ xiii
... in dictione improperly so called Division of Formal and Material Fallacies Syllogisms of more than Three Terms ; Ambiguous Middle • 267 269 · 271 272 Undistributed Middle ; Composite and Divisive sense Illicit Process of CONTENTS . xiii.
... in dictione improperly so called Division of Formal and Material Fallacies Syllogisms of more than Three Terms ; Ambiguous Middle • 267 269 · 271 272 Undistributed Middle ; Composite and Divisive sense Illicit Process of CONTENTS . xiii.
Էջ 29
... in order to separate the similar elements from the unlike , and consciously to unite the for- mer into one product of Thought . CHAPTER II . L DEFINITION OF LOGIC . - Divisions INTUITIONS DISTINGUISHED FROM CONCEPTS . 29.
... in order to separate the similar elements from the unlike , and consciously to unite the for- mer into one product of Thought . CHAPTER II . L DEFINITION OF LOGIC . - Divisions INTUITIONS DISTINGUISHED FROM CONCEPTS . 29.
Էջ 30
Francis Bowen. CHAPTER II . L DEFINITION OF LOGIC . - Divisions of the Science . — Utility of the Study . OGIC is the Science of the Necessary Laws of Pure Thought . The Greek word , λóyos , from which Logic is derived , signifies both ...
Francis Bowen. CHAPTER II . L DEFINITION OF LOGIC . - Divisions of the Science . — Utility of the Study . OGIC is the Science of the Necessary Laws of Pure Thought . The Greek word , λóyos , from which Logic is derived , signifies both ...
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A Treatise on Logic, Or, The Laws of Pure Thought: Comprising Both the ... Francis Bowen Ամբողջությամբ դիտվող - 1866 |
Common terms and phrases
absolutely actually affirm the Consequent Affirmative already animal antecedent applied Aristotelic doctrine Aristotle assertion attributes Axiom called Cause class of things classification conceived Concept Conclusion connoted Consequent considered contained Contradictory Contraposition Conversion Copula Definition Demonstrative denote deny determined Disjunctive Disjunctive Syllogism distinct enounced Enthymeme equal event evidence Excluded exists explicated expressed Extension fact faculty Fallacy false Figure former Genus gism Hamilton Hence Immediate Inference individual Induction Inductive Reasoning infinite instance Intension Intuition knowledge language Laws of Thought Logic logicians Major Premise Marks Matter meaning ment merely Middle Term mind mode Modus tollens Moods nature necessary Negative not-X notion objects observed particular peculiar perception Predicate principle properly Proposition proved Pure Thought qualities Quantity rational reasoning reduced relation respect Rules sion Sir William Hamilton sophism Species Subalternation Subject sublating Sumption Syllogism tion tive true truth Universal valid whole words
Սիրված հատվածներ
Էջ 400 - Cause is the sum total of the Conditions, positive and negative, taken together ; the whole of the contingencies of every description, which, being realized, the consequent invariably follows.
Էջ 367 - As if we could not reason, and have knowledge about particulars: whereas, in truth, the matter rightly considered, the immediate object of all our reasoning and knowledge is nothing but particulars. Every man's reasoning and knowledge is only about the ideas existing in his own mind, which are truly, every one of them...
Էջ 392 - It consists in ascribing the character of general truths to all propositions which are true in every instance that we happen to know of.
Էջ 24 - And a little attention will discover that it is not necessary (even in the strictest reasonings) that significant names which stand for ideas should, every time they are used, excite in the understanding the ideas they are made to stand for : in reading and discoursing, names being for the most part used as letters are in Algebra...
Էջ 283 - He who calls you a man speaks truly: he who calls you a fool, calls you a man: therefore he who calls you a fool speaks truly.
Էջ 297 - Englishmen or not-Englishmen,' to the exclusion of the third possibility of a mixed force, so it is false to say, ' Every body must move in the place where it is, or in the place where it is not,' to the exclusion of the third possibility of moving partly in the one and partly in the other.
Էջ 337 - ... printing, gunpowder, and the magnet. For these three have changed the whole face and state of things throughout the world; the first in literature, the second in warfare, the third in navigation; whence have followed innumerable changes; insomuch that no empire, no sect, no star seems to have exerted greater power and influence in human affairs than these mechanical discoveries.
Էջ 175 - In as far as two notions (notions proper or individuals), either both agree, or one agreeing, the other does not, with a common third notion ; in so far, these notions do or do not agree with each other.
Էջ 305 - objections" against various parts of Scripture ; to some of which no satisfactory answer can be given ; and the incautious hearer is apt, while his attention is fixed on these, to forget that there are infinitely more, and stronger objections against the supposition that the Christian Religion is of human origin ; and that where we cannot answer all objections, we are bound in reason and in candour to adopt the hypothesis which labours under the least.
Էջ 265 - Axiom, as has been shown (page 54), 13 lirectly explicated into the two Laws, — 1. That to affirm the Reason or the Condition is also to affirm the Consequent ; and, 2. That to deny the Consequent is also to deny the Reason. A. ratione ad rationatum, a negatione rationati ad negationem rationis, valet consequentia. The single Premise affirming that this relation of Reason and Consequent exists between the Judgments which are its two parts, this Axiom compels us to infer immediately, or without...