Example:
a * b * c * d * e * f * g * h * i * j * 0
With rules:
- a * b <=> b * a
- (a * b) * c <=> a * (b * c)
- a * 0 <=> 0
Example:
a * b * c * d * e * f * g * h * i * j * 0
With rules:
- a * b <=> b * a
- (a * b) * c <=> a * (b * c)
- a * 0 <=> 0