:: deftheorem QLTEx2Def defines QLT_Ex2 LATQUASI:def 7 :
for b₁ being BinOp of {0,1,2} holds
( b₁ = QLT_Ex2 iff for x, y being Element of {0,1,2} holds
( ( ( x = 1 or y = 1 ) implies b₁ . (x,y) = 1 ) & ( x <> 1 & y <> 1 implies b₁ . (x,y) = min (x,y) ) ) );