Number/Quantity
Construction of subjects
What is
'Number' ?
What is 'Number' ?
Position-Quantity-Number
Ontology of "Number/Quantity"
Natural
Number
Number of Objects
Structure
Sequence
Law of
Compo-
sition
Sum, Addition
Difference
Product
Quotient
Zero
Rational
Number
Rational Multiple
Law of
Compo-
sition
Sum, Addition
Product, Multiplication
Quotient
Extension of Natural Number
Decimal Expression
"Sym-
metrical
Number"
Meaning
Sign, Absolute value
Law of Composition
Order relation
Line number
Place of "Symmetrical Number"
Real
Number
Need for Real Number
Irrational number
Completeness
Square root
Complex
Number
Why to learn
Complex multiple
Expression of complex number
Law of
Compo-
sition
Sum, Addition
Product, Multiplication
Extension of Real Number
Gaussian Plane
Proportional
Relation
Meaning
Problem solving
Proportional Relation
between numbers
Measurement/
Calculation
of Quantity
General Discussion
Itemized
Discussion
Length
Area
Volume
Rotation
Angle
Velocity
Generarlization to "Linear Algebra"
Instruction of "Number/Quality"
An Investigation on the Theme
of "Number/Quantity"
(advanced lecture)