law Growth.add_left
import gralha-bendquest@0.1.0.0/growth.bend as Growthimport Base
import gralha-bendquest@0.1.0.0/game.bend as G
21law Growth.add_left:
22 for +a: Nat
23 for +b: Nat
24 for +extra: Nat
25 for +grow: {G.Bq.Nat.le(a, b) == True{} : Bool}
26 {G.Bq.Nat.le(G.Bq.Nat.add(a, extra), G.Bq.Nat.add(b, extra)) == True{} : Bool}