New posts in definition

History of definitions for an ellipse?

Seeking elegant proof why 0 divided by 0 does not equal 1

Topology of uniform convergence?

Defining $|x|=-1$

What is the proper geometrical name for a a rectangle with a semi-circle at each end?

In layperson's terms, what is a general affine group?

How does non-strict and lazy differ?

Why is the definition of stronger statement the way it is in logic?

Is $2+2=4$ an identity?

Confusion about the Hamel Basis

What is a simple definition of the pullback of a section?

Algebraic definition or construction of real numbers

What is the difference between an indeterminate and variable?

Why is the inner measure problematic?

Spectrum of a field

Definition of a derivative

How can people understand complex numbers and similar mathematical concepts?

What exactly does "closure" refer to in JavaScript?

Why do we differentiate?

Preservation of structure in model theory