Logic Part 1 : Basics
Introduction
Negation of a Proposition
Compound Propositions
Truth Table 1
Truth Table 2
Exam like Question 1
Exam like Question 2
Tautology
Exam like Question 3
Contradiction
Converse Inverse Contrapositive
Exam like Question 4
Exam-like Question 5
Logical Equivalences & De Morgan's Laws
Logical Equivalences & De Morgan's Laws 2
Exam like Question 6
Exam like Question 7
Exam like Question 8
Logic Part 2 : Quantifiers
Universal Quantifiers
Existential Quantifiers
Truth Value of Propositions with Quantifiers
Exam like Question 1
Exam like Question 2
Exam like Question 3
Exam like Question 4
Nested Quantifiers
Exam like Question 5
Exam like Question 6
Exam like Question 7
Exam like Question 8
Negation of Nested Quantifiers
Exam like Question 9
Exam like Question 10
Translation of Mathematical Statements
Translation of Statements With Multiple Variables
Exam like Question 11
Exam like Question 12
Exam like Question 13
Exam like Question 14
Sample Midterm Problems I
Logic Basics 1
Logic Basics 2
Logic Basics 3
Logic Basics 4
Logic Basics 5
Logic Basics 6
Logic - Quantifiers 1
Logic - Quantifiers 2
Logic - Quantifiers 3
Logic - Quantifiers 4
Logic - Quantifiers 5
Logic - Quantifiers 6
Logic - Quantifiers 7
Logic - Translation 1
Logic - Translation 2
Logic - Translation 3
Logic - Translation 4
Logic - Translation 5
Sets
Definition and Notation
Subset
Example 1
Union and Intersection of Two Sets
Difference of Two Sets
Example 1
Symmetric Difference
Example 1
Set Identities
Example 1
Example 2
Example 3
Example 4
Example 5
Example 6
Power Set
Example 1
Example 2
Cartesian Product
Example 1
Example 2
Example 3
Example 4
Example 5
Example 6
Generalized Intersections and Unions
Example 1
Example 2
Example 3
Functions
Definition of Function
Example 1
Number of Functions
Injective Functions
Example 2
Example 3
Example 4
Example 5
Example 6
Example 7
Example 8
Example 9
Surjective Functions
Example 10
Example 11
Example 12
Example 13
Example 14
Example 15
Example 16
Bijective Function
Inverse Function
Example 17
Example 18
Image of a Set
Proof Example For Image of a Function
Preimage of a Set
Example 19
Proof Example for Preimage of a Function
Example 20
Sequences and Sums
Definition of Sequence
Arithmetique Sequence
Example 1
Geometric Sequence
Example 1
Sum Notation
Example 1
Sample Midterm Problems II
Proofs & Sets 1
Proofs & Sets 2
Proofs & Sets 3
Proofs & Sets 4
Proofs & Sets 5
Proofs & Sets 6
Proofs & Sets 7
Functions 1
Functions 2
Functions 3
Functions 4
Number Theory
Definition of Divisibility
Example 1
Example 2
Example 3
Division Algorithm
Definition of Modular Arithmetic
Example 1
Properties of Modular Arithmetic
Example 1
Example 2
Prime Numbers
Example 1
Example 2
Example 3
GCD Greatest Common Divisor
LCM Least Commun Multiple
Example 1
Euclidian Algorithm
Example 1
Bézout Identity
Example 1
Example 2
Example 3
Inverse of a Number in Modular Arithmetic
Primitive Root
Discrete Logarithm
Fermat's Little Theorem
Solving Linear Congruences
Example 1
Example 2
Chinese Remainder Theorem
Example 1
Example 2
Example 3
Example 4
Cryptography
Ceasar Cipher
Affine Cipher
Example 1
Example 2
Example 3
Example 4
Transposition Cipher
RSA Algorithm
Example 1
Example 2
Example 3
Diffie - Hellman Protocol
Example 1
Sample Midterm Problems III
Number Theory 1
Number Theory 2
Number Theory 3
Number Theory 4
Number Theory 5
Number Theory 6
Number Theory 7
Number Theory 8
Number Theory 9
Number Theory 10
Number Theory 11
Number Theory 12
Cryptography 1
Cryptography 2
2007 yılında Galatasaray Üniversitesi Bilgisayar Mühendisliği bölümünden birincilikle mezun olduktan sonra Fransa'da Kriptoloji üzerine Fransa hükümeti tarafından verilen bursla yüksek lisans yaptım. Devamında ikinci kez sınava girerek Boğaziçi Matematik bölümünü de bitirdim. Yaklaşık 15 yıldır üniversite öğrencilerine dersler vermekteyim.
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