law know_revealed

minebender-game@1.0.0.0 · proof_laws.bend:98

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

98# On the board, revealed in the knowledge means revealed in the game.
99law know_revealed:
100  for +w: Nat
101  for +h: Nat
102  for +layout: T.Grid(Bool)
103  for +shown: T.Grid(Bool)
104  for +flags: List<&2, T.Pos>
105  for +status: T.Status
106  for +q: T.Pos
107  for +on: {B.on_board(w, h, q) == True{} : Bool}
108  {L.revealed(G.knowledge(G.Game{w, h, layout, shown, flags, status}), q) == B.at(Bool, False{}, shown, q) : Bool}