Douglas Weathers

Math.

Linearity and extremality
Linearity and extremality
Partial orders and Hasse diagrams
Partial orders and Hasse diagrams
Modular arithmetic
Modular arithmetic
Equivalence relations
Equivalence relations
Transitive closure
Transitive closure
Composition of relations
Composition of relations
Reflexive and symmetric closures
Reflexive and symmetric closures
Properties of relations
Properties of relations
Relations
Relations
Boolean products
Boolean products
Basic operations with Boolean matrices
Basic operations with Boolean matrices
Boolean matrices
Boolean matrices
Algebraic probability rules
Algebraic probability rules
Introduction to probability
Introduction to probability
Multinomial identities
Multinomial identities
Multinomial coefficients
Multinomial coefficients
Multisets
Multisets
The binomial theorem
The binomial theorem
Binomial coefficients
Binomial coefficients
Counting subsets
Counting subsets
Permutations
Permutations
Finite sequences
Finite sequences
Addition and multiplication rules
Addition and multiplication rules
Enumeration
Enumeration
Proof by induction with inequality
Proof by induction with inequality
Proof by induction with divisibility
Proof by induction with divisibility
Proof by induction with sums
Proof by induction with sums
Asymptotics examples
Asymptotics examples
Asymptotics
Asymptotics
Indirectly calculating sums
Indirectly calculating sums