Is argument from cause to effect really defeasible?
DOI:
https://doi.org/10.26806/fd.v15i1.356Abstract
According to informal logic, the possibilities of deductive logic as a tool for analysing and evaluating ordinary arguments are very limited. While I agree with this claim in general, I question it in the case of the argument from cause to effect. In this paper I first show, on the basis of carefully chosen examples, that we usually react differently to falsification of the conclusion of the argument from cause to effect than we do to the falsification of the conclusion of other defeasible arguments. I then identify general conditions and assumptions under which the causal argument from cause to effect can be reconstructed as deductive. Finally, I compare the causal argument with the expert argument, which is a typical example of a defeasible argument in the narrower sense.
Key words: defeasible argument, deductive argument, causal argument from cause to effect, determinism, formal deductive logic, informal logic
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