OAI/Combinatorics/Ryser/Construction/DeletionIntersection.lean

GitHub source file

6 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.RyserCoveringCounterexample.Construction.placedSubplane line 13
  2. theorem OAI.RyserCoveringCounterexample.Construction.mem_placedSubplane_iff line 16
  3. theorem OAI.RyserCoveringCounterexample.Construction.card_placedSubplane line 20
  4. theorem OAI.RyserCoveringCounterexample.Construction.exists_placedLine_of_mem_deletedLines line 27
  5. theorem OAI.RyserCoveringCounterexample.Construction.eq_deletedLine_of_incident_of_notMem_placedSubplane line 39
  6. theorem OAI.RyserCoveringCounterexample.Construction.card_deletedLines_through_le_one line 51