ProofInv.closed_explode.cell: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_inv.bend as ProofInv
Lines 218-236 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=218&end_line=236

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/proof_base.bend as P
import minebender-game@1.0.0.0/proof_cells.bend as PS

def closed_explode.cell(+w: Nat, +h: Nat, +layout: T.Grid(Bool), +shown: T.Grid(Bool), +p: T.Pos,
  +mp: {B.mine(layout, p) == True{} : Bool}, +cl: {closed(w, h, layout, shown) == True{} : Bool},
  +q: T.Pos, +on: {B.on_board(w, h, q) == True{} : Bool}, +b: Bool,
  +be: {Bool.and(B.at(Bool, False{}, B.set_at(Bool, shown, p, True{}), q), B.zero(w, h, layout, q)) == b : Bool}) ->
  {cl_f(CL{w, h, layout, B.set_at(Bool, shown, p, True{})}, q) == True{} : Bool}:
  match b:
    case False{}:
      +s2 = B.set_at(Bool, shown, p, True{})
      %Equal.sym(Bool, Bool.and(B.at(Bool, False{}, s2, q), B.zero(w, h, layout, q)), False{}, be) :
        {Bool.or(Bool.not(_), PS.allp(~T.Grid(Bool), ~shown_in, s2, B.neighbours(w, h, q))) == True{} : Bool}
      {==}
    case True{}:
      +s2 = B.set_at(Bool, shown, p, True{})
      %Equal.sym(Bool, Bool.and(B.at(Bool, False{}, s2, q), B.zero(w, h, layout, q)), True{}, be) :
        {Bool.or(Bool.not(_), PS.allp(~T.Grid(Bool), ~shown_in, s2, B.neighbours(w, h, q))) == True{} : Bool}
      closed_explode.nbrs(w, h, layout, shown, p, mp, cl, q, on,
        P.and_true_l(B.at(Bool, False{}, s2, q), B.zero(w, h, layout, q), be),
        P.and_true_r(B.at(Bool, False{}, s2, q), B.zero(w, h, layout, q), be),
        B.neighbours(w, h, q), PS.neighbours_all(w, h, q))

Uses (23):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  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=minebender-game@1.0.0.0/board.bend&name=at
  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/board.bend&name=neighbours
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=on_board
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=set_at
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/board.bend&name=zero
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_base.bend&name=and_true_l
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_base.bend&name=and_true_r
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_cells.bend&name=allp
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_cells.bend&name=neighbours_all
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_inv.bend&name=CL
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_inv.bend&name=cl_f
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_inv.bend&name=closed
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_inv.bend&name=closed_explode.nbrs
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_inv.bend&name=shown_in
  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