French Relation de tolérance Cited by user Valvino on 21 Apr 2018 En mathématiques, une relation de tolérance est une relation réflexive, symétrique mais non transitive.
English Near sets Cited by user Rjwilmsi on 23 Nov 2014 In mathematics, near sets are either spatially close or descriptively close. Spatially close sets have nonempty intersection.