law cells_go_len

minebender-game@1.0.0.0 · proof_gen.bend:797

import Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/board.bend as B

797law cells_go_len:
798  for +w: Nat
799  for +ys: List<&2, Nat>
800  {List.length(&2, T.Pos, B.cells.go(w, ys)) == Nat.mul(List.length(&2, Nat, ys), w) : Nat}