theorem Th26: :: GOBOARD6:26

for i, j being Nat
for G being Go-board st 1 <= i & i < len G & 1 <= j & j < width G holds
Int (cell (G,i,j)) = { |[r,s]| where r, s is Real : ( (G * (i,1)) `1 < r & r < (G * ((i + 1),1)) `1 & (G * (1,j)) `2 < s & s < (G * (1,(j + 1))) `2 ) }