OAI/Combinatorics/Ryser/Construction/DeletionUnionInside.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

1. theorem OAI.RyserCoveringCounterexample.Construction.card_deletedLines_through_le line 12
2. theorem OAI.RyserCoveringCounterexample.Construction.deletedPencil_eq_filter_of_mem_placedSubplane line 29
3. theorem OAI.RyserCoveringCounterexample.Construction.card_deletedPencil_le_of_mem_placedSubplane line 50