Empirical Versus Theoretical Existence and Truth

摘要: On the basis of an analysis everyday experience and practice, criteria legitimate assertions existence truth are offered. A specific thing, like a newspaper, can be asserted to exist if it has some invariant characteristics is present in actual perception. statement, “This newspaper black white”, accepted as true well-established empirical domain. Each these provides sufficient condition for acceptance truth, respectively, at level. Following Hermann Weyl, argued that they extended scientific theoretical level support selective moderate version realism according which entities electromagnetic gravitational fields, but not crystalline spheres or topological manifolds, legitimately exist.