An alternative rule of disjunction in modal logic
Lemmon and Scott introduced the notion of a modal system's providing the rule of disjunction. No consistent normal extension of KB provides this rule. An alternative rule is defined, which KDB, KTB, and other systems are shown to provide, while K and other systems provide the Lemmon-Scott rule...
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| Aineistotyyppi: | Journal article |
| Kieli: | English |
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Duke University Press
1992
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