Nat.mul_self_lt_mul_self: law of bend-mathlib@0.8.1.0
Import: import bend-mathlib@0.8.1.0/nat.bend as Nat
Lines 2937-2942 of bend-mathlib@0.8.1.0/nat.bend: https://jend.leeeet.dev/read.txt?path=bend-mathlib@0.8.1.0/nat.bend&start_line=2937&end_line=2942

import Base

# Squares are strictly monotone: a < b implies a * a < b * b.
law mul_self_lt_mul_self:
  for a: Nat
  for b: Nat
  for h: lt(a, b)
  lt(Nat.mul(a, a), Nat.mul(b, b))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=bend-mathlib@0.8.1.0/nat.bend&name=lt
  https://jend.leeeet.dev/definition.txt?path=bend-mathlib@0.8.1.0/nat.bend&name=mul_lt_mul_of_lt_of_lt