law start_rows_get

minebender-game@1.0.0.0 · proof_solver.bend:1444

import Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/solver.bend as S

1444law start_rows_get:
1445  for +g: T.Grid(T.Seen)
1446  for +y: Nat
1447  {Maybe.default(&2, List<&2, Maybe<&2, Bool>>, List.get(&2, List<&2, Maybe<&2, Bool>>, S.start(g), y), Nil{})
1448    == S.start.row(Maybe.default(&2, List<&2, T.Seen>, List.get(&2, List<&2, T.Seen>, g, y), Nil{})) : List<&2, Maybe<&2, Bool>>}