Combining Texts

All the ideas for 'Conditionals', 'The Concept of Logical Consequence' and 'Nietzsche's Immoralism'

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

---

8 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]

10. Modality / B. Possibility / 8. Conditionals / a. Conditionals

13768

Validity can preserve certainty in mathematics, but conditionals about contingents are another matter [Edgington]

10. Modality / B. Possibility / 8. Conditionals / b. Types of conditional

13770

There are many different conditional mental states, and different conditional speech acts [Edgington]

10. Modality / B. Possibility / 8. Conditionals / c. Truth-function conditionals

13764

Are conditionals truth-functional - do the truth values of A and B determine the truth value of 'If A, B'? [Edgington]

13765

'If A,B' must entail ¬(A & ¬B); otherwise we could have A true, B false, and If A,B true, invalidating modus ponens [Edgington]

22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / g. Moral responsibility

22474

Unlike aesthetic evaluation, moral evaluation needs a concept of responsibility [Foot]

23. Ethics / C. Virtue Theory / 3. Virtues / c. Justice

22472

The practice of justice may well need a recognition of human equality [Foot]