Science of Math
Loading…
One of a thing is just that thing
Sign in
Principle, equality
Builds on
A thing is equal to itself
Count out up to 20 things in any arrangement
Leads to
None of a thing weighs nothing
Lessons
Lesson 6: 1A = A · Write down what you see
Lesson 6: 1A = A · How many A do you see here?
Lesson 6: 1A = A · The sixth identity
All ideas