ENGG1100|Term2|201415 题香港中文大學 The Chinese University of Hong Kong AND operation, example in real life You get a degree from CUhK if you take 123 units and your gpa is greater than 1.5 You may write a formula (X=take 123 units) AND (Y=GPA>1.5) then you can get a degree from CUHK (W) You must eat and drink in order to live -You may write a formula (X=eat )AND ( Y=drink then you can live(W Notation X WEXANDY V15.02.09 Introduction 11ENGG1100 | Term 2 | 2014-15 AND operation, example in real life • You get a Degree from CUHK if you take 123 units and your GPA is greater than 1.5 – You may write a formula • (X=take 123 units) AND (Y=GPA>1.5) then you can get a Degree from CUHK (W) • You must eat and drink in order to live – You may write a formula • (X=eat ) AND (Y=drink) then you can live (W) V15.02.09 Introduction 11 X Y W=X AND Y Notation