ProofSolver.safe_none: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_solver.bend as ProofSolver
Lines 2743-2750 of minebender-game@1.0.0.0/proof_solver.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/proof_solver.bend&start_line=2743&end_line=2750

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

def safe_none(+w: Nat, +h: Nat, +n: Nat, +rows: T.Grid(T.Seen), okf: {B.shaped(T.Seen, w, h, rows) == False{} : Bool},
  +c: T.Pos, +layout: T.Grid(Bool), cons: {L.consistent(T.Knowledge{w, h, n, rows}, layout) == True{} : Bool}) ->
  {L.mine(layout, c) == False{} : Bool}:
  PF_both(B.shaped(T.Seen, w, h, rows), okf,
    %Equal.sym(Bool, B.shaped(T.Seen, w, h, rows), L.shaped(T.Seen, w, h, rows), PC.shaped_eq(T.Seen, w, h, rows)) :
      {_ == True{} : Bool};
    PW.and4_b(L.shaped(Bool, w, h, layout), L.shaped(T.Seen, w, h, rows), Nat.is_eq(L.total_mines(layout), n),
      L.agrees_all(w, h, rows, layout, L.cells(w, h)), cons), {L.mine(layout, c) == False{} : Bool})

Uses (18):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/LAWS.bend&name=agrees_all
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/LAWS.bend&name=cells
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/LAWS.bend&name=consistent
  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/LAWS.bend&name=shaped
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/LAWS.bend&name=total_mines
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=shaped
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_copy.bend&name=shaped_eq
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_solver.bend&name=PF_both
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_walk.bend&name=and4_b
  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=Knowledge
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Pos
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Seen