Synthese

, Volume 6, Issue 9–12, pp 496–502 | Cite as

Logic of propositions

  • J. Ridder
International Association For Logic And The Phylosophy Of Science (Dutch Section)
  • 69 Downloads

Keywords

Deductive System Latin Letter Identical Formula Deduction Rule Arbitrary Object 

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Copyright information

© D. Reidel Publishing Company 1947

Authors and Affiliations

  • J. Ridder
    • 1
  1. 1.Groningen

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