Combining Texts

All the ideas for 'Conditionals', 'What Price Bivalence?' and 'On 'Generation and Corruption''

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7 ideas

5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence
19043 Bivalence applies not just to sentences, but that general terms are true or false of each object [Quine]
7. Existence / D. Theories of Reality / 10. Vagueness / d. Vagueness as linguistic
19042 Terms learned by ostension tend to be vague, because that must be quick and unrefined [Quine]
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]
12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities
16721 Changes in secondary qualities are caused by changes in primary qualities [Giles of Orleans]