A Handbook of LogicHarper, 1961 - 250 עמודים |
מתוך הספר
תוצאות 1-3 מתוך 18
עמוד 2
... observed have been blue - eyed . Or suppose that as astronomers we have looked at a large number of comets , and have noted that each moves in an elliptical orbit . Suppose further that no observed comet has failed to move in such an ...
... observed have been blue - eyed . Or suppose that as astronomers we have looked at a large number of comets , and have noted that each moves in an elliptical orbit . Suppose further that no observed comet has failed to move in such an ...
עמוד 185
... observed in the past . But this assump- tion is not justified by experience , since its justification would require observation of instances not yet observed . " It is impossible , " says Hume , " that any argument from experience can ...
... observed in the past . But this assump- tion is not justified by experience , since its justification would require observation of instances not yet observed . " It is impossible , " says Hume , " that any argument from experience can ...
עמוד 194
... observed positions of Uranus . In 1845 , the astronomer Leverrier postulated the existence of a planet , hitherto unknown , at some position in space beyond Uranus which was influencing its motion . The position of the hypothetical ...
... observed positions of Uranus . In 1845 , the astronomer Leverrier postulated the existence of a planet , hitherto unknown , at some position in space beyond Uranus which was influencing its motion . The position of the hypothetical ...
תוכן
What is logic? I CHIGAN | 13 |
Inferences from simple propositions | 37 |
The syllogism II | 70 |
זכויות יוצרים | |
7 קטעים אחרים שאינם מוצגים
מהדורות אחרות - הצג הכל
מונחים וביטויים נפוצים
affirmative affirming the consequent alternation analytic antecedent antilogism argue argument Aristotle assert axioms called categorical syllogisms cats causal CHIGAN class calculus classical logic classical logicians conclusion construct contradictory deductive system definition enthymemes example expression F F F figure formal logic formalist formula girls Gödel's proof grampuses Hence Id.S Id.T implies q inductive inference invalid large number law of noncontradiction least logical machines main column major premise material equivalence mathematics means method MICHIGAN Mill's Mill's methods minor negation negative notation number of instances obverse Ɔ q paradox particular postulates predicate term principle probability propositional calculus prove PV q q is true question relation rule sorites statements subject term substitution superaltern Suppose syllogistic symbolic tautology theorem things tion tive truth functions truth table truth values undistributed UNIVERS universal valid variables Venn diagrams Τ Τ