//size membership function

single 0 0 1 4
small 1 4 4 8
medium 4 8 8 10
large 8 10 10 18
huge 10 18 1000 1000


// edge
low       0  0  20 35
moderate  20 35 35 60
sharp     35 60 60 100
extreme   60 100 1000 1000


rules:
//size edge sharpest_edge -> value

// single

single low low        0
single low moderate   1
single low sharp      1
single low extreme    1

single moderate low     1
single moderate moderate  1
single moderate sharp   1
single moderate extreme 1

single sharp low     1
single sharp moderate  1
single sharp sharp   1
single sharp extreme 1

single extreme low     1
single extreme moderate  1
single extreme sharp   1
single extreme extreme 1

//small

small low low        0
small low moderate   0
small low sharp      1
small low extreme    1

small moderate low     1
small moderate moderate 1
small moderate sharp   1
small moderate extreme 1

small sharp low        1
small sharp moderate   1
small sharp sharp      1
small sharp extreme    1

small extreme low      1
small extreme moderate 1
small extreme sharp    1
small extreme extreme  1

//medium

medium low low        0
medium low moderate   0
medium low sharp      0
medium low extreme    0

medium moderate low       0
medium moderate moderate  0
medium moderate sharp     0
medium moderate extreme   1

medium sharp low       1
medium sharp moderate  1
medium sharp sharp     1
medium sharp extreme   1

medium extreme low       1
medium extreme moderate  1
medium extreme sharp     1
medium extreme extreme   1

//large

large low low        0
large low moderate   0
large low sharp      0
large low extreme    0

large moderate low     0
large moderate moderate  0
large moderate sharp   0
large moderate extreme 0

large sharp low      0
large sharp moderate 0
large sharp sharp    1
large sharp extreme  1

large extreme low       0
large extreme moderate  1
large extreme sharp     1
large extreme extreme   1

//huge

huge low low           0
huge low moderate      0
huge low sharp         0
huge low extreme       0

huge moderate low      0
huge moderate moderate 0
huge moderate sharp    0
huge moderate extreme  0

huge sharp low         0
huge sharp moderate    0
huge sharp sharp       0
huge sharp extreme     0

huge extreme low       0
huge extreme moderate  0
huge extreme sharp     0
huge extreme extreme   0