def allp_head
import minebender-game@1.0.0.0/proof_cells.bend as ProofCellsimport Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/proof_base.bend as P
19def allp_head(~E: Data, ~f: E -> T.Pos -> Bool, +e: E, +q: T.Pos, +t: List<&2, T.Pos>,
20 h: {allp(~E, ~f, e, q <> t) == True{} : Bool}) -> {f(e, q) == True{} : Bool}:
21 P.and_true_l(f(e, q), allp(~E, ~f, e, t), h)