ProofSolver.fill_row_get: law of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_solver.bend as ProofSolver
Lines 438-442 of minebender-game@1.0.0.0/proof_solver.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/proof_solver.bend&start_line=438&end_line=442

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

law fill_row_get:
  for +r: List<&2, Maybe<&2, Bool>>
  for +x: Nat
  {Maybe.default(&2, Bool, List.get(&2, Bool, S.fill.row(r), x), False{})
    == Maybe.default(&2, Bool, Maybe.default(&2, Maybe<&2, Bool>, List.get(&2, Maybe<&2, Bool>, r, x), None{}), False{}) : Bool}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.get
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe.default
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/solver.bend&name=fill.row