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The Zeroth Law (Harder-2015) (view source)
Revision as of 19:03, 10 February 2023
, 19:03, 10 February 2023no edit summary
<blockquote>First, imagine a community that believes that all of their accepted theories are absolutely (demonstratively) true. This ''infallibilist'' community also knows that, according to classical logic, p and not-p cannot be both true. Since, according to this community, all accepted theories are strictly true, the only way the community can avoid triviality is by stipulating that any two accepted theories must be mutually consistent. In other words, by the third law, they end up employing the classical logical law of noncontradiction as their criterion of compatibility.
Now, imagine another community that accepts the position of ''fallibilism''. This community holds that no theory in empirical science can be demonstratively true and, consequently, all accepted empirical theories are merely quasi-true. But if any accepted empirical theory is only quasi-true, it is possible for two accepted empirical theories to be mutually inconsistent. In other words, this community accepts that two contradictory propositions may both contain grains of truth, i.e. to be quasi-true. [[CiteRef::e Bueno et al.(1998)]]. In order to avoid triviality, this community employs a paraconsistent logic, i.e. a logic where a contradiction does not imply everything. This fallibilist community does not necessarily reject classical logic; it merely realizes that the application of classical logic to quasi-true propositions entails triviality. Thus, the community also realizes that the application of classical principle of noncontradiction to empirical science is problematic, for no empirical theory is strictly true. As a result, by the third law, this community employs criteria of compatibility very different from those employed by the infallibilist community.[[CiteRef::Barseghyan (2015)||pp.154-6]]</blockquote>
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