ProofInv.nsm_flood.walk: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_inv.bend as ProofInv
Lines 340-346 of minebender-game@1.0.0.0/proof_inv.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/proof_inv.bend&start_line=340&end_line=346

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/LAWS.bend as L
import minebender-game@1.0.0.0/proof_copy.bend as PC
import minebender-game@1.0.0.0/proof_walk.bend as PW
import minebender-game@1.0.0.0/proof_flood.bend as PF

def nsm_flood.walk(+w: Nat, +h: Nat, +layout: T.Grid(Bool), +p0: T.Pos, +q: T.Pos,
  safe: {L.mine(layout, p0) == False{} : Bool}, mq: {B.mine(layout, q) == True{} : Bool},
  wk: PF.Walk(w, h, layout, p0, q), -A: Type) -> A:
  match wk:
    case (path, pw):
      PF.both_absurd(A, L.mine(layout, q), PW.walk_safe(path, w, h, layout, p0, q, pw, safe),
        %PC.mine_eq(layout, q) : {_ == True{} : Bool}; mq)

Uses (11):
  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=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/LAWS.bend&name=mine
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=mine
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_copy.bend&name=mine_eq
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_flood.bend&name=Walk
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_flood.bend&name=both_absurd
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_walk.bend&name=walk_safe
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Grid
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Pos