OAI/Combinatorics/Crossing/SegmentSymmetries.lean

GitHub source file

6 declarations, 0 contain sorry, 0 declared as axioms

  1. theorem OAI.Zarankiewicz.segmentsCrossProperly_swap line 9
  2. theorem OAI.Zarankiewicz.segmentsCrossProperly_reverse_left line 21
  3. theorem OAI.Zarankiewicz.nonzero_orientation_sign_neg line 33
  4. theorem OAI.Zarankiewicz.segmentCrossingSign_swap line 41
  5. theorem OAI.Zarankiewicz.segmentCrossingSign_reverse_left line 50
  6. theorem OAI.Zarankiewicz.openSegment_intersection_subsingleton line 59