A Handbook of LogicHarper, 1961 - 250 עמודים |
מתוך הספר
תוצאות 1-3 מתוך 18
עמוד 31
... existence . For I can say ' Some ghosts clank chains , ' and yet everybody knows that ghosts do not exist . " " At least some A propositions assert existence . For if I am told that all even numbers are divisible by two this means that ...
... existence . For I can say ' Some ghosts clank chains , ' and yet everybody knows that ghosts do not exist . " " At least some A propositions assert existence . For if I am told that all even numbers are divisible by two this means that ...
עמוד 57
... existence neral propositions as not asserting existence ( see ff . ) , then universal and particular propositions are cally different import . But if this is so , particular ons cannot be inferred from general premises . er , we know ...
... existence neral propositions as not asserting existence ( see ff . ) , then universal and particular propositions are cally different import . But if this is so , particular ons cannot be inferred from general premises . er , we know ...
עמוד 64
... existence of at least one wanderer - king . And fo this assertion of existence , the premises give no ground they do not assert the existence of anything . DARAPTI tests valid by the traditional rules and " com mon sense " because ...
... existence of at least one wanderer - king . And fo this assertion of existence , the premises give no ground they do not assert the existence of anything . DARAPTI tests valid by the traditional rules and " com mon sense " because ...
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