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03B22 - Mathematical logic and foundations :: General logic :: Abstract deductive systems

  1. ampheck owned by Jon Awbrey
  2. analytics and formal logics in meta-mathematics owned by bci1
  3. analytics and formal logics in meta-mathematics owned by bci1
  4. consequence operator owned by rspuzio
  5. consequence operator determined by a class of subsets owned by rspuzio
  6. consequence operator is determined by its fixed points owned by rspuzio
  7. continuous predicate owned by Jon Awbrey
  8. finiteness of C_\cup and C_{\cap} owned by rspuzio
  9. hypostatic abstraction owned by Jon Awbrey
  10. inference rule owned by rspuzio
  11. logical axiom owned by CWoo
  12. logical graph : formal development owned by Jon Awbrey
  13. logical graph : introduction owned by Jon Awbrey
  14. logical implication owned by Jon Awbrey
  15. modus ponens owned by CWoo
  16. modus tollens owned by rspuzio
  17. operations on consequence operators owned by rspuzio
  18. Peirce's law owned by Jon Awbrey
  19. praeclarum theorema owned by Jon Awbrey
  20. prescisive abstraction owned by Jon Awbrey
  21. proof that C_\cup and C_\cap are consequence operators owned by rspuzio
  22. propositional calculus owned by Jon Awbrey
  23. sole sufficient operator owned by Jon Awbrey
  24. superfluity of the third defining property for finite consequence operator owned by rspuzio

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