Growth.Growth.add_both: law of gralha-bendquest@0.1.0.0
Import: import gralha-bendquest@0.1.0.0/growth.bend as Growth
Lines 53-60 of gralha-bendquest@0.1.0.0/growth.bend: https://jend.leeeet.dev/read.txt?path=gralha-bendquest@0.1.0.0/growth.bend&start_line=53&end_line=60

import Base
import gralha-bendquest@0.1.0.0/game.bend as G

law Growth.add_both:
  for +a: Nat
  for +b: Nat
  for +c: Nat
  for +d: Nat
  for +ab: {G.Bq.Nat.le(a, b) == True{} : Bool}
  for +cd: {G.Bq.Nat.le(c, d) == True{} : Bool}
  {G.Bq.Nat.le(G.Bq.Nat.add(a, c), G.Bq.Nat.add(b, d)) == True{} : Bool}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=gralha-bendquest@0.1.0.0/game.bend&name=Bq.Nat.add
  https://jend.leeeet.dev/definition.txt?path=gralha-bendquest@0.1.0.0/game.bend&name=Bq.Nat.le
  https://jend.leeeet.dev/definition.txt?path=gralha-bendquest@0.1.0.0/growth.bend&name=Growth.add_left
  https://jend.leeeet.dev/definition.txt?path=gralha-bendquest@0.1.0.0/growth.bend&name=Growth.add_right
  https://jend.leeeet.dev/definition.txt?path=gralha-bendquest@0.1.0.0/health.bend&name=Health.le_trans