OAI/Combinatorics/Ryser/LineCover/TupleGeometry.lean
7 declarations, 0 contain sorry, 0 declared as axioms
- def
OAI.RyserCoveringCounterexample.LineCover.NoParallelline 13 - def
OAI.RyserCoveringCounterexample.LineCover.NoConcurrentTripleline 16 - theorem
OAI.RyserCoveringCounterexample.LineCover.finiteCrossings_of_no_parallelline 22 - theorem
OAI.RyserCoveringCounterexample.LineCover.crossPoints_eq_image_gridline 28 - theorem
OAI.RyserCoveringCounterexample.LineCover.crossPoints_card_of_gridline 45 - theorem
OAI.RyserCoveringCounterexample.LineCover.grid_injective_of_no_concurrentTripleline 53 - theorem
OAI.RyserCoveringCounterexample.LineCover.finiteCrossings_card_of_no_parallel_no_concurrentTripleline 79