There is a classic passage in the final chapter of Mark’s Gospel, where we read: And he said to them, “Go into all the world and preach the gospel to the whole creation. He who believes and is ...
R. K. Meyer once gave precise form to the question of whether relevant implication can be defined in any modal system, and his answer was `no'. In the present paper, we extend S4, first with ...
Studia Logica: An International Journal for Symbolic Logic, Vol. 59, No. 1, Combining Logics I (Jul., 1997), pp. 65-102 (38 pages) We investigate the semantics of the logical systems obtained by ...
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