Reconditioning the conditional [Recondicionando o condicional]
DOI:
https://doi.org/10.21680/1983-2109.2016v23n40ID7481Palavras-chave:
Indicative conditionals, Probability, Triviality, Deductive dependence, Adams, Lewis, Ramsey, StalnakerResumo
Many authors have hoped to understand the indicative conditional construction in everyday language by means of what are usually called conditional probabilities. Other authors have hoped to make sense of conditional probabilities in terms of the absolute probabilities of conditional statements. Although all such hopes were disappointed by the triviality theorems of Lewis (1976), there have been copious subsequent attempts both to rescue CCCP (the conditional construal of conditional probability) and to extend and to intensify the arguments against it. In this paper it will be shown that triviality is avoidable if the probability function is replaced by an alternative generalization of the deducibility relation, the measure of deductive dependence of Miller and Popper (1986). It will be suggested further that this alternative way of orchestrating conditionals is nicely in harmony with the test proposed in Ramsey (1931), and also with the idea that it is not the truth value of a conditional
statement that is of primary concern but its assertability or acceptability.
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