Combining Philosophers

All the ideas for Iris Marion Young, Gerhard Gentzen and Oscar Wilde

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10 ideas

5. Theory of Logic / A. Overview of Logic / 2. History of Logic
11022 Gentzen introduced a natural deduction calculus (NK) in 1934 [Gentzen, by Read]
5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
11065 The inferential role of a logical constant constitutes its meaning [Gentzen, by Hanna]
11023 The logical connectives are 'defined' by their introduction rules [Gentzen]
11213 Each logical symbol has an 'introduction' rule to define it, and hence an 'elimination' rule [Gentzen]
5. Theory of Logic / H. Proof Systems / 4. Natural Deduction
13832 Natural deduction shows the heart of reasoning (and sequent calculus is just a tool) [Gentzen, by Hacking]
6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / g. Incompleteness of Arithmetic
10067 Gentzen proved the consistency of arithmetic from assumptions beyond arithmetic [Gentzen, by Musgrave]
21. Aesthetics / C. Artistic Issues / 6. Value of Art
7276 All art is quite useless [Wilde]
21. Aesthetics / C. Artistic Issues / 7. Art and Morality
7274 Books are only well or badly written, not moral or immoral [Wilde]
7275 Having ethical sympathies is a bad mannerism of style in an artist [Wilde]
24. Political Theory / D. Ideologies / 12. Feminism
20751 As a young girl assumes her status as feminine, she acts in a more fragile immobile way [Young,IM]