Symbolic logic

Definition and stakes

Boyd Henry Bode,  Creative Intelligence: Essays in the Pragmatic Attitude

“ If, however, we abstract from its value in giving a consistent theory of number, continuity, and infinity, this complete abstraction from the content has carried the conditions of thinking in agreement with self and others so far away from the actual problem of science that symbolic logic has never been used as a research method. It has indeed emphasized the fact that thinking deals with problems which have reference to uses to which it can be put, not to a metaphysical world lying beyond experience. Symbolic logic has to do with the world of discourse, not with the world of things. ”
Source: Gutenberg

Portrait of Lewis Carroll Lewis Carroll,  Symbolic Logic

“ And, all the while, you have been leaving unexplored a perfect mine of wealth. Once master the machinery of Symbolic Logic, and you have a mental occupation always at hand, of absorbing interest, and one that will be of real use to you in any subject you may take up. ”
Source: Gutenberg

Portrait of Charles S. Peirce Charles S. Peirce,  Chance, Love, and Logic: Philosophical Essays

“ There is, however, an even more positive direction in which symbolic logic serves the interest of philosophy, and that is in throwing light on the nature of symbols and on the relation of meaning. Philosophers have light-heartedly dismissed questions as to the nature of significant signs as ‘merely’ (most fatal word!) a matter of language. But Peirce in the paper on Man’s Glassy [Shakespearian for Mirror-Like] Essence, endeavors to exhibit man’s whole nature as symbolic. ”
Source: Gutenberg

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