Combining Texts

Ideas for 'fragments/reports', 'The Concept of Logical Consequence' and 'Vagueness, Truth and Logic'

expand these ideas     |    start again     |     choose another area for these texts

display all the ideas for this combination of texts

---

4 ideas

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

14181

Validity is where either the situation or the interpretation blocks true premises and false conclusion [Etchemendy, by Read]

14180

Etchemendy says fix the situation and vary the interpretation, or fix interpretations with varying situations [Etchemendy, by Read]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

9775	Excluded Middle, and classical logic, may fail for vague predicates [Fine,K]

5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth

9771	Logic holding between indefinite sentences is the core of all language [Fine,K]