Noun
Fano plane (plural Fano planes)
(finite geometry) The finite projective plane of order 2, having the smallest possible number of points and lines, 7 each, with 3 points on every line and 3 lines through every point.
Including 'How many cards may be laid without creating a set', as well as investigations of different types of set games (some in the Fano plane ). Source: Internet
The Fano plane. Source: Internet
The Fano plane is an S(2,3,7) Steiner triple system. Source: Internet