Combining Texts

All the ideas for 'An Introduction to Hegel', 'The Concept of Logical Consequence' and 'The Thesis that Mathematics is Logic'

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


4 ideas

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence
Validity is where either the situation or the interpretation blocks true premises and false conclusion [Etchemendy, by Read]
Etchemendy says fix the situation and vary the interpretation, or fix interpretations with varying situations [Etchemendy, by Read]
5. Theory of Logic / C. Ontology of Logic / 3. If-Thenism
Putnam coined the term 'if-thenism' [Putnam, by Musgrave]
22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / b. Defining ethics
The moral will is self-determining, but the ethical will is met in society [Houlgate]