A Handbook of LogicHarper, 1961 - 250 עמודים |
מתוך הספר
תוצאות 1-3 מתוך 22
עמוד 18
... Venn . The Venn circles show more clearly than the Euler diagrams how the four basic classical propositions exhibit two quite different propo- sitional structures . In the Venn diagrams , each one of the four propositional types ( A , E ...
... Venn . The Venn circles show more clearly than the Euler diagrams how the four basic classical propositions exhibit two quite different propo- sitional structures . In the Venn diagrams , each one of the four propositional types ( A , E ...
עמוד 21
... Venn is to transpose the subject and predicate terms and to treat the result as an A proposition . Thus " Only Ulstermen are Orangemen " becomes " All Orangemen are Ulstermen , " and may be diagramed according to the Venn scheme for A ...
... Venn is to transpose the subject and predicate terms and to treat the result as an A proposition . Thus " Only Ulstermen are Orangemen " becomes " All Orangemen are Ulstermen , " and may be diagramed according to the Venn scheme for A ...
עמוד 22
... Venn analysis , an A or E proposition makes no assertion of the existence of what- ever it may be talking about . Even in ordinary language we sometimes use the non- existential interpretation of general propositions , although ...
... Venn analysis , an A or E proposition makes no assertion of the existence of what- ever it may be talking about . Even in ordinary language we sometimes use the non- existential interpretation of general propositions , although ...
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