MAYBE Problem: not(not(x)) -> x not(or(x,y)) -> and(not(not(not(x))),not(not(not(y)))) not(and(x,y)) -> or(not(not(not(x))),not(not(not(y)))) Proof: RT Transformation Processor: strict: not(not(x)) -> x not(or(x,y)) -> and(not(not(not(x))),not(not(not(y)))) not(and(x,y)) -> or(not(not(not(x))),not(not(not(y)))) weak: Matrix Interpretation Processor: dimension: 1 interpretation: [and](x0, x1) = x0 + x1 + 20, [or](x0, x1) = x0 + x1 + 10, [not](x0) = x0 + 1 orientation: not(not(x)) = x + 2 >= x = x not(or(x,y)) = x + y + 11 >= x + y + 26 = and(not(not(not(x))),not(not(not(y)))) not(and(x,y)) = x + y + 21 >= x + y + 16 = or(not(not(not(x))),not(not(not(y)))) problem: strict: not(or(x,y)) -> and(not(not(not(x))),not(not(not(y)))) weak: not(not(x)) -> x not(and(x,y)) -> or(not(not(not(x))),not(not(not(y)))) Open