Institutes of LogicW. Blackwood and sons, 1885 - 551 páginas |
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Página 10
... conclusion is also of necessity , as the true results from the true always . " 1 In the Posterior Analytics he expressly expounds the theory of demonstration , with a view to show the use of syllogistic in the constitution of true and ...
... conclusion is also of necessity , as the true results from the true always . " 1 In the Posterior Analytics he expressly expounds the theory of demonstration , with a view to show the use of syllogistic in the constitution of true and ...
Página 11
... conclusion as a con- clusion . It is , therefore , wholly extra - logical . The quantity and the quality of a proposition affect , not the sequence , but the quantity and quality of the conclusion , as a conclusion from given premises ...
... conclusion as a con- clusion . It is , therefore , wholly extra - logical . The quantity and the quality of a proposition affect , not the sequence , but the quantity and quality of the conclusion , as a conclusion from given premises ...
Página 34
... conclusion .- ( P . 541 A. ) ( c ) The older logicians came very near the definition of the text , even in words . Thus Smiglecius ( Log . Disp . , xii . p . 451 , ed . Oxon . 1658 ) tells us that the term , both subject and predicate ...
... conclusion .- ( P . 541 A. ) ( c ) The older logicians came very near the definition of the text , even in words . Thus Smiglecius ( Log . Disp . , xii . p . 451 , ed . Oxon . 1658 ) tells us that the term , both subject and predicate ...
Página 73
... conclusion . The form lies in the necessary connection between the two premises and the conclusion . Thus , - Plant is organised ; Snowdrop is plant ; .. Snowdrop is organised . Or in letters , -A is B ; C is A ; .. C is B. As in the ...
... conclusion . The form lies in the necessary connection between the two premises and the conclusion . Thus , - Plant is organised ; Snowdrop is plant ; .. Snowdrop is organised . Or in letters , -A is B ; C is A ; .. C is B. As in the ...
Página 111
... conclusion as valid , without being at all aware of any incongruity . Yet when our reasoning encloses a contradiction , however cloaked or concealed , the whole process is absolutely null ; it is , in a word , nonsensical or meaningless ...
... conclusion as valid , without being at all aware of any incongruity . Yet when our reasoning encloses a contradiction , however cloaked or concealed , the whole process is absolutely null ; it is , in a word , nonsensical or meaningless ...
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Palavras e frases frequentes
absolutely abstract actual affirmative animal antecedent applied Aristotle assertion attribute biped Boethius called cause common Comprehension conceived concept conclusion consciousness consequent contains contradiction contradictory contrary conversion copula Crown 8vo definite deny Descartes disjunctive distinction doctrine Edition Enthymeme essential exclusion existence experience expression Extension fact fallacy false Fcap Figure formal formal fallacies generalisation genus gism given ground Hamilton Hegel hypothetical Illustrations individual object Induction intuition judgment knowledge law of Identity law of Non-Contradiction laws of thought logicians major premiss mark matter means middle term Mill moods nature necessarily necessary negation negative Non-Contradiction notion Occam opposition organised particular phænomenon plant positive possible Prantl predicate principle properly proposition quantity reality reasoning reference regarded relation rule sense simply singular Socrates speak species sphere subject and predicate sublate supposed Syllogism thing thought tion triangle true truth Ueberweg universal valid vols whole wholly words
Passagens conhecidas
Página 474 - If an instance in which the phenomenon under investigation occurs, and an instance in which it does not occur, have every circumstance in common save one, that one occurring only in the former; the circumstance in which alone the two instances differ is the effect, or the cause, or an indispensable part of the cause, of the phenomenon.
Página 215 - O'er Roslin all that dreary night A wondrous blaze was seen to gleam ; Twas broader than the watch-fire's light, And redder than the bright moonbeam. It glared on Roslin's castled rock, It ruddied all the copse-wood glen ; 'Twas seen from Dryden's groves of oak, And seen from cavern'd Hawthornden.