def dfs_some_keep.br

minebender-game@1.0.0.0 · proof_solver.bend:1198

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

1198def dfs_some_keep.br(+l: T.Grid(Bool), +q: T.Pos, +bq: Bool, +d0: Maybe<&2, T.Grid(Bool)>, +d1: Maybe<&2, T.Grid(Bool)>,
1199  r: BranchSome(d0, d1, l), k0: {d0 == Some{l} : Maybe<&2, T.Grid(Bool)>} -> {B.mine(l, q) == bq : Bool},
1200  k1: {d1 == Some{l} : Maybe<&2, T.Grid(Bool)>} -> {B.mine(l, q) == bq : Bool}) -> {B.mine(l, q) == bq : Bool}:
1201  match r:
1202    case Inl{e0}:
1203      k0(e0)
1204    case Inr{e1}:
1205      k1(e1)