George Boole: Selected Manuscripts on Logic and Its PhilosophyBirkhäuser Verlag, 1997 - 236 σελίδες |
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Σελίδα 24
... conclusion connects the two extremes so changed if necessary in their quantity and quality as to make it a logical consequence of the premises . Let us take as a second example the regular syllogism . [ A89.22 ] Premises Conclusion All ...
... conclusion connects the two extremes so changed if necessary in their quantity and quality as to make it a logical consequence of the premises . Let us take as a second example the regular syllogism . [ A89.22 ] Premises Conclusion All ...
Σελίδα 134
... conclusion affirms of all Zs that they are Xs . In the syllogism , Therefore No Ys are Xs All Zs are Ys No Zs are Xs what is denied in the first premiss of the genus Ys , in which by the second premiss the species Zs is included , is in ...
... conclusion affirms of all Zs that they are Xs . In the syllogism , Therefore No Ys are Xs All Zs are Ys No Zs are Xs what is denied in the first premiss of the genus Ys , in which by the second premiss the species Zs is included , is in ...
Σελίδα 152
... conclusion All Zs are Xs . Now this is no other than the necessary proposition All Zs are either Xs or not Xs modified by placing the not Xs under the category non - existent . Again we can obtain a conclusion in which the middle term ...
... conclusion All Zs are Xs . Now this is no other than the necessary proposition All Zs are either Xs or not Xs modified by placing the not Xs under the category non - existent . Again we can obtain a conclusion in which the middle term ...
Περιεχόμενα
Booles quest for the foundations of his logic | xiii |
2 Life and career | xiv |
3 The fate of Booles Nachlass | xviii |
Πνευματικά δικαιώματα | |
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Άλλες εκδόσεις - Προβολή όλων
George Boole: Selected Manuscripts on Logic and its Philosophy Ivor Grattan-Guinness,Gerard Bornet Περιορισμένη προεπισκόπηση - 2013 |
George Boole: Selected Manuscripts on Logic and its Philosophy Ivor Grattan-Guinness,Gerard Bornet Περιορισμένη προεπισκόπηση - 1997 |
George Boole: Selected Manuscripts on Logic and Its Philosophy George Boole,I. Grattan-Guinness,Gérard Bornet Προβολή αποσπασμάτων - 1997 |
Συχνά εμφανιζόμενοι όροι και φράσεις
2ndly abstraction affirmative analysis animals application arbitrary Arthur Cayley axioms Boole Boole's Boole/Falk calculus Chapter class of things combination composition conceive conclusion connection constitution copula definition denote determine distinct dual Algebra elective symbols elements employed equal equation example excluded middle existence expression faculties form the concept formal laws Geometry George Boole given identity individuals inference intellectual operations inverse operation involved Judgment language laws of Conception laws of thought Leibniz letters manuscript mathematical meaning men are mortal mental method middle terms mind Morgan mortal nature necessary proposition non-existence not-Xs notion object operation of addition particular philosophy philosophy of mathematics possible predicate premises principle principles of identity quantity question rational reasoning reference relations represent result Science of Logic sense signs subtraction syllogism syllogistic term Logic theory true truth Universe Universe of Discourse words Xs are Ys Zs are Xs