p and (not p or q) = (p and not p) or (p and q) = p and q => q - dc App
P&(-p or q) == p&-p or p&q - dc App
p and (not p or q) = (p and not p) or (p and q) = p and q => q - dc App
P&(-p or q) == p&-p or p&q - dc App