 The classical semanticist begins with certain language-world representational relations, and uses these to explain the truth conditions of sentences; we can then go on to use these truth conditions to explain the difference between good and bad inferences. The inferentialist, by contrast, begins with the distinction between good and bad inferences, and tries to explain the representational relations which the classical semanticist takes as (comparatively) basic in inferentialist terms. (I say “comparatively basic” because the classical semanticist might go on to provide a reductive explanation of these representational relations, and the inferentialist might go on to provide a reductive explanation of the distinction between good and bad inferences.