He began his studies in the 1930s by reading the first contributions to lattice theory which were by Dedekind . Dilworth himself remarked that although Dedekind 's papers were excellent introductions to the subject it was unclear what his motivation had been.
Siya ay nagsimulang sa kanyang pag-aaral ng 1930s sa pamamagitan ng pagbabasa ng unang kontribusyon sa sala-sala theory na kung saan ay sa pamamagitan ng Dedekind. Dilworth kanyang sarili remarked na bagama't Dedekind 's papeles ay mahusay na introductions sa paksa, ito ay hindi malinaw kung ano ang kanyang uudyok had been.