OAI/Combinatorics/Crossing/LocalSegmentTransversality.lean
2 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.Zarankiewicz.segment_direction_of_local_line_at_interiorline 8 - theorem
OAI.Zarankiewicz.det2_ne_zero_of_parallel_nonzeroline 24