User:Z423x5c6/add something
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Zero and One are the only Consecutive Perfect Squares
(generalize?)
Complex Numbers as External Direct Product
(explain)
Category:Quaternion Modulus
(refer to Category:Complex Modulus)
Quaternion Modulus is Norm
Quaternion Modulus of Product of Quaternions
Triangle Inequality/Quaternions
Definition:Modulus of Quaternion-Valued Function
Classification of Small Groups
Groups of Order Twice a Prime
Groups of Order 12
Trigonometric Functions in terms of each other
(add something)
Ceva's Theorem
Definition:P-Norm
Lagrange's Four Square Theorem
Hyperbolic Sine is Bijection over Reals
Lamé's Theorem
(We need at most $5$ steps to reduce the number of digits by $1$, and some marginal cases to be handled. Have some difficulties to write it out rigorously...come back later...)