The pretheoretical notions of logical consequence and of a logical expression are linked in vague and complex ways to modal and pragmatic intuitions. I offer an introduction to the difficulties that these intuitions create when one attempts to give precise characterizations of those notions. Special attention is given to Tarski’s theories of logical consequence and logical constancy. I note tha...

It would be good to have a Bayesian decision theory that assesses our decisions and thinking according everyday standards of rationality—standards do not require logical omniscience (Garber, 1983; Hacking, 1967). To end we develop “fragmented” in which single state mind is represented by family credence functions, each associated with distinct choice condition (Lewis, 1982; Stalnaker, 1984). Th...

despite the often false impression that the analytic philosophy as an anti-metaphysical movement has nothing to do with metaphysics, there can be found good reasons to grant the metaphysical dispositions of analytic philosophers, and thereby, to minimize the anti-metaphysical nature of analytic philosophy in its all phases. since analytic philosophy is a historical movement the main nature of w...