# Class Notes for MTH 355 at Oregon State University (OSU)

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## MTH 355 Lecture Notes - Lecture 23: Empty Set, Internet Key Exchange

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I a eb c mod n ) if ht ca - b ) . I of congruence mod n to n is reflexive: reflexive. 2) symmetric if b a ebcmodn ) then. I such that nk= a - b . C= nk

View Document## MTH 355 Lecture Notes - Lecture 13: Distributive Property

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X in was an arbitrary element of. Prove that if a is an even integer and b is an odd integer then at b is an odd integer a b is even. Given pr#e a is a

View Document## MTH 355 Lecture Notes - Lecture 9: Contraposition, Qi, Allied Irish Banks

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Pc mtn ) t ( qcmi a qln ) ) Xp( mtn ) q i m ) aq ln ) ] E in r ( np c mtn ) vcqcmiaq c n ) ] ) In e in pc mtn ) a n ( q cm ) a q cn ) ) -7 ( qcmiaqcm )

View Document## MTH 355 Lecture 7: 01232019

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Quantifiers are keywords in statements making c open ) statements. Quantifiers there is there are , there exists. Pla ) is true for some a in our unive

View Document## MTH 355 Lecture Notes - Lecture 18: Mathematical Induction

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Pch ) t p c htt iii ) conclusion by ci ) [ 2113-11=1 shows the right hand side of the equality becomes n2=it3t ten. I ) base case of n =l . Induction s

View Document## MTH 355 Lecture Notes - Lecture 24: Modular Arithmetic, Equivalence Class, Disjoint Sets

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Pa = pb we may assume that pan pp to a. R on a set s is a subset. We showed that this is an equivalence relation. R is an equivalence relation the equi

View Document## MTH 355 Lecture Notes - Lecture 11: Contraposition, Natural Number, Institution Of Engineering And Technology

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