law step_mono

minebender-game@1.0.0.0 · proof_laws.bend:459

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

459law step_mono:
460  for +g: G.Game
461  for +a: T.Action
462  for +q: T.Pos
463  for s: {B.at(Bool, False{}, shown_of(g), q) == True{} : Bool}
464  {B.at(Bool, False{}, shown_of(G.step(g, a)), q) == True{} : Bool}