Combining Texts

All the ideas for 'works', 'Is There a Marxist Doctrine?' and 'works'

expand these ideas     |    start again     |     specify just one area for these texts

10 ideas

3. Truth / A. Truth Problems / 3. Value of Truth
23877 Most people won't question an idea's truth if they depend on it [Weil]
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]
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]
20. Action / B. Preliminaries of Action / 2. Willed Action / d. Weakness of will
23878 Weakness of will is the inadequacy of the original impetus to carry through the action [Weil]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / j. Ethics by convention
23879 In a violent moral disagreement, it can't be that both sides are just following social morality [Weil]
23. Ethics / C. Virtue Theory / 3. Virtues / a. Virtues
20239 Unlike us, the early Greeks thought envy was a good thing, and hope a bad thing [Hesiod, by Nietzsche]
25. Social Practice / E. Policies / 1. War / b. Justice in war
23880 When war was a profession, customary morality justified any act of war [Weil]