A Handbook of LogicHarper, 1961 - 250 עמודים |
מתוך הספר
תוצאות 1-3 מתוך 42
עמוד 3
... formal inference , and therefore formal logic itself , is not concerned with material truth directly ; rather , it is concerned with formal correctness or validity . Material truth has to do with the relation of a statement to a factual ...
... formal inference , and therefore formal logic itself , is not concerned with material truth directly ; rather , it is concerned with formal correctness or validity . Material truth has to do with the relation of a statement to a factual ...
עמוד 4
... formal relations alone . Similarly , given the conditional statement : If the sun is out , then the grass is dry ... FORMAL SCIENCE Since it deals with the forms of statements and the con- nections between them , logic is commonly called ...
... formal relations alone . Similarly , given the conditional statement : If the sun is out , then the grass is dry ... FORMAL SCIENCE Since it deals with the forms of statements and the con- nections between them , logic is commonly called ...
עמוד 5
... formal ( mathematical ) in- Such disciplines as theoretical physics are highly ve , even if not wholly so . It seems that the more and sophisticated a science , the closer is its character of a purely formal science . On the other hand ...
... formal ( mathematical ) in- Such disciplines as theoretical physics are highly ve , even if not wholly so . It seems that the more and sophisticated a science , the closer is its character of a purely formal science . On the other hand ...
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