Value of variable

x i X , y j Y , z k Z

i , j , k [ 0 , 10 ]

Degree of indiscernibility

Discernibility measure

Extended lines sameness”

Lowest

highest

nothing in common

0

very low

almost highest

very far

1

Low

high

far

2

bit higher than low

pretty high

bit closer than far

3

almost average

bit higher than average

almost average distance

4

Average

average

average

5

bit higher than average

almost average

bit closer than average

6

pretty high

bit higher than low

pretty close

7

High

low

close

8

almost highest

very low

almost the same

9

Highest

lowest

the same

10