OAI/Combinatorics/Ryser/Construction/DeletionLines.lean

GitHub source file

10 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.RyserCoveringCounterexample.Construction.OriginalLineDensity line 17
  2. def OAI.RyserCoveringCounterexample.Construction.deletedLines line 21
  3. theorem OAI.RyserCoveringCounterexample.Construction.mem_deletedLines line 26
  4. theorem OAI.RyserCoveringCounterexample.Construction.intercept_ne_omitted_of_mem_retained line 32
  5. theorem OAI.RyserCoveringCounterexample.Construction.deletedLines_direction_eq_image line 40
  6. theorem OAI.RyserCoveringCounterexample.Construction.card_deletedLines_direction line 72
  7. theorem OAI.RyserCoveringCounterexample.Construction.card_deletedLines_of_mem_alteredDirections line 86
  8. theorem OAI.RyserCoveringCounterexample.Construction.card_deletedLines line 95
  9. theorem OAI.RyserCoveringCounterexample.Construction.card_placedRetained_incident_placedLine line 109
  10. theorem OAI.RyserCoveringCounterexample.Construction.deletedLine_many_placedRetainedPoints line 121