law true_among_sum

minebender-game@1.0.0.0 · proof_solver.bend:120

import Base
import minebender-game@1.0.0.0/types.bend as T
import minebender-game@1.0.0.0/solver.bend as S
import minebender-game@1.0.0.0/proof_sums.bend as PU

120law true_among_sum:
121  for +part: T.Grid(Maybe<&2, Bool>)
122  for +ps: List<&2, T.Pos>
123  {S.true_among(part, ps) == PU.csum(~Maybe<&2, Bool>, ~tf, None{}, part, ps) : Nat}