funció borrosa

f(x_{n}) = (x_{n}/n) = (0.1)

( (0.0)/0 ) = (0/0)·(0.1) = (0.1)

( (0.n)/n ) = (n/n)·(0.1) = (0.1)

f_{m}(x_{n}) = m·(x_{n}/n) = m·(0.1) & 0 [< m [< 10

x [< f_{m}(x_{n}) [< z