The Polish Review, Volume 13Polish Institute of Arts and Sciences in America., 1968 - Poland |
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Page 6
... logic . In his lecture of 1920 Łukasiewicz declares that in three - valued logic the supreme laws of logic are only possible and not necessary . I would like to mention here that Łukasiewicz had already in his monograph O zasadzie ...
... logic . In his lecture of 1920 Łukasiewicz declares that in three - valued logic the supreme laws of logic are only possible and not necessary . I would like to mention here that Łukasiewicz had already in his monograph O zasadzie ...
Page 44
The system of Three - Valued logic is a system of non - Aristotelian logic , it accepts besides true and false propositions also such ones which are neither true nor false and therefore it accepts a third logical value . That can be ...
The system of Three - Valued logic is a system of non - Aristotelian logic , it accepts besides true and false propositions also such ones which are neither true nor false and therefore it accepts a third logical value . That can be ...
Page 60
... logic , namely that every proposition is either true or false , and that it must have precisely one of two logical values : truth or falsehood ( although it was he himself who at first had formulated it ) . I call this law the principle ...
... logic , namely that every proposition is either true or false , and that it must have precisely one of two logical values : truth or falsehood ( although it was he himself who at first had formulated it ) . I call this law the principle ...
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