law alln_append
import minebender-game@1.0.0.0/proof_cells.bend as ProofCellsimport Base
335law alln_append:
336 for +xs: List<&2, Nat>
337 for +ys: List<&2, Nat>
338 for +n: Nat
339 for +a: {alln(xs, n) == True{} : Bool}
340 for b: {alln(ys, n) == True{} : Bool}
341 {alln(List.append(&2, Nat, xs, ys), n) == True{} : Bool}