law flood_path

minebender-game@1.0.0.0 · proof_flood.bend:604

import Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/board.bend as B
import minebender-game@1.0.0.0/game.bend as G

604law flood_path:
605  for +n: Nat
606  for +work: List<&2, G.Work>
607  for +hd: Bool
608  for +w: Nat
609  for +h: Nat
610  for +layout: T.Grid(Bool)
611  for +shown: T.Grid(Bool)
612  for +p0: T.Pos
613  for +ok: {works_ok(work, w, h, layout, p0) == True{} : Bool}
614  for +q: T.Pos
615  for +before: {B.at(Bool, False{}, shown, q) == False{} : Bool}
616  for +after: {B.at(Bool, False{}, G.flood(n, work, hd, w, h, layout, shown), q) == True{} : Bool}
617  Walk(w, h, layout, p0, q)