law open_mono

minebender-game@1.0.0.0 · proof_laws.bend:378

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

378law open_mono:
379  for +g: G.Game
380  for +p: T.Pos
381  for +q: T.Pos
382  for s: {B.at(Bool, False{}, shown_of(g), q) == True{} : Bool}
383  {B.at(Bool, False{}, shown_of(G.open(g, p)), q) == True{} : Bool}