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Ideas from 'Notes on Logic' by Ludwig Wittgenstein [1913], by Theme Structure

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7. Existence / D. Theories of Reality / 8. Facts / d. Negative facts
22312 Facts can be both positive and negative
                        Full Idea: In 1913 Wittgenstein was explicit that there are both positive and negative facts.
                        From: report of Ludwig Wittgenstein (Notes on Logic [1913], B7) by Michael Potter - The Rise of Analytic Philosophy 1879-1930 47 'Mole'
                        A reaction: This is a prelude to the Tractatus, in which negative facts are denied in T1.11 (and in a 1919 letter), but then affirmed in T2.06.