- Terms can be shaved among the equations
F_{1} = f(a,b,c) = Σ (2,5,6,7)
F_{2} = f(a,b,c) = Σ (2,3,6,7)
F_{3} = f(a,b,c) = Σ (2,4,5,6)
F_{1}
_{}
F_{2}
F_{3}
F_{3} = ab’ + bc’