Alfred Tarski's recursive, compositional definition of truth-in-a-structure for a formal language: given an object language L and a structure M = (D, I), a formula φ(x̄) is satisfied by an assignment s : Var → D iff its recursive…
Alfred Tarski's recursive, compositional definition of truth-in-a-structure for a formal language: given an object language L and a structure M = (D, I), a formula φ(x̄) is satisfied by an assignment s : Var → D iff its recursive…