A Handbook of LogicHarper, 1961 - 250 עמודים |
מתוך הספר
תוצאות 1-3 מתוך 23
עמוד 43
... contradictory uto is a planet " is " Pluto is not a planet , " or " It the case that Pluto is a planet . " The contradictory pe Innocent did not hate King Francis " is " It is case that Pope Innocent did not hate King Francis , " e ...
... contradictory uto is a planet " is " Pluto is not a planet , " or " It the case that Pluto is a planet . " The contradictory pe Innocent did not hate King Francis " is " It is case that Pope Innocent did not hate King Francis , " e ...
עמוד 44
... contradictory of the I. Similarly , the con- tradictory of ( x ) ( Fx · —Gx ) ( " There is an x which is F - ( 3x ) ( FxGx ) A contra dictory Ε - ( 3x ) ( FxGx ) X ( 3x ) ( Fx Gx ) L contra dictory O ( 3x ) ( FxGx ) and not G " ) is ...
... contradictory of the I. Similarly , the con- tradictory of ( x ) ( Fx · —Gx ) ( " There is an x which is F - ( 3x ) ( FxGx ) A contra dictory Ε - ( 3x ) ( FxGx ) X ( 3x ) ( Fx Gx ) L contra dictory O ( 3x ) ( FxGx ) and not G " ) is ...
עמוד 60
... contradictory " Some grampuses are not intro verts " ( gio ) must be true . But this means that there is a least one member in the area reserved for nonintroverted grampuses . Could this contradictory of the original conclu sion be ...
... contradictory " Some grampuses are not intro verts " ( gio ) must be true . But this means that there is a least one member in the area reserved for nonintroverted grampuses . Could this contradictory of the original conclu sion be ...
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