Complement law - (Y + Y') = 1I' not quite sure this is correct. In step 6:
(Y'+X)(Y'+Y)=Y'Y'+Y'Y+XY'+XY=Y'+XY'+XY
wich is different from
Y'+XY
Hello Georacer,I don't argue about how (Y' + X)(Y' + Y) becomes (Y' + X).
What troubles me is how (Y' + XY) becomes (Y' + X)(Y' + Y)