Order.le_antisymm_eq: law of bend-mathlib@0.8.1.0
Import: import bend-mathlib@0.8.1.0/order.bend as Order
Lines 41-50 of bend-mathlib@0.8.1.0/order.bend: https://jend.leeeet.dev/read.txt?path=bend-mathlib@0.8.1.0/order.bend&start_line=41&end_line=50

import Base

# Antisymmetry gives equality.
law le_antisymm_eq:
  for ~A: Data
  for ~le: A -> A -> Bool
  for ~le_antisymm: @x: A -> @y: A -> {le(x, y) == True{} : Bool} -> {le(y, x) == True{} : Bool} -> {x == y : A}
  for +a: A
  for +b: A
  for ab: {le(a, b) == True{} : Bool}
  for ba: {le(b, a) == True{} : Bool}
  {a == b : A}

Uses (1):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool