CSCA67H3 Lecture Notes - Lecture 8: Venn Diagram, Contraposition, Rational Number

• School: UTSC
• Department: Computer Science
• Course: CSCA67H3
• Professor: Pancer/ Bretscher( G)

Document Summary

X a x b then what do we call. Exercise: draw a venn diagram representing 3 sets a, b, and c. now shade in the region that represents when the statement then what do we call. A b x b x a x / b x / a x a x b is true. The symbol is used to indicate how the 2 statements are equivalent. ( b ( b ( a what do we mean in terms of. 2 > 1 x > 1 x > 1. Therefore, by definition of a rational number, d / 0 x = b are rational. Let a x: y = b ca db yx belong to rational. are rational then bd d = ac therefore and x2 > 1. ,x y and and a: c yx y. , b, d, d a belong to integers, since belong to integers and and.