A Handbook of LogicHarper, 1961 - 250 עמודים |
מתוך הספר
תוצאות 1-3 מתוך 30
עמוד 45
... Assume that each class has at least member . Not one archbishop is a traitor . Every rectangle is a parallelogram . Some pills are not medicines . All spies are bachelors . Some butterflies are ghosts . Several truffle - hounds are ...
... Assume that each class has at least member . Not one archbishop is a traitor . Every rectangle is a parallelogram . Some pills are not medicines . All spies are bachelors . Some butterflies are ghosts . Several truffle - hounds are ...
עמוד 150
... ( Assume substitution rules of proposi- tional calculus and the rule of inference . ) ( q ▽ p ( qVp ) − ( p ▽ q ) , Ax . I. p Ax . II . 3 Ax . III . ( q ) → [ ( p − q ) → ( pr ) ] Theorem 1. q ) ( p V q ) I. Ɔ Theorem 2. ( g → − p ) ...
... ( Assume substitution rules of proposi- tional calculus and the rule of inference . ) ( q ▽ p ( qVp ) − ( p ▽ q ) , Ax . I. p Ax . II . 3 Ax . III . ( q ) → [ ( p − q ) → ( pr ) ] Theorem 1. q ) ( p V q ) I. Ɔ Theorem 2. ( g → − p ) ...
עמוד 168
... assume that all other Cretan statements are in fact lies . Then the following situ- ation arises . If Epimenides is ... assumed that all other Cretan statements are false , the exception can only be the state- ment just made . Hence if ...
... assume that all other Cretan statements are in fact lies . Then the following situ- ation arises . If Epimenides is ... assumed that all other Cretan statements are false , the exception can only be the state- ment just made . Hence if ...
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