ProofLaws.safe_rev_cell: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_laws.bend as ProofLaws
Lines 284-294 of minebender-game@1.0.0.0/proof_laws.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/proof_laws.bend&start_line=284&end_line=294

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
import minebender-game@1.0.0.0/LAWS.bend as L
import minebender-game@1.0.0.0/proof_copy.bend as PC

def safe_rev_cell(+w: Nat, +h: Nat, +layout: T.Grid(Bool), +shown: T.Grid(Bool), +flags: List<&2, T.Pos>,
  +status: T.Status, +q: T.Pos, +on: {B.on_board(w, h, q) == True{} : Bool}) ->
  {Bool.or(L.mine(layout, q), L.revealed(G.knowledge(G.Game{w, h, layout, shown, flags, status}), q))
    == Bool.or(B.mine(layout, q), B.at(Bool, False{}, shown, q)) : Bool}:
  %PC.mine_eq(layout, q) :
    {Bool.or(_, L.revealed(G.knowledge(G.Game{w, h, layout, shown, flags, status}), q))
      == Bool.or(B.mine(layout, q), B.at(Bool, False{}, shown, q)) : Bool}
  %Equal.sym(Bool, L.revealed(G.knowledge(G.Game{w, h, layout, shown, flags, status}), q), B.at(Bool, False{}, shown, q),
    know_revealed(w, h, layout, shown, flags, status, q, on)) :
    {Bool.or(B.mine(layout, q), _) == Bool.or(B.mine(layout, q), B.at(Bool, False{}, shown, q)) : Bool}
  {==}

Uses (17):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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=List
  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/LAWS.bend&name=mine
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/LAWS.bend&name=revealed
  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=on_board
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/game.bend&name=Game
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/game.bend&name=knowledge
  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_laws.bend&name=know_revealed
  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
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/types.bend&name=Status