ProofSolver.ton_head: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_solver.bend as ProofSolver
Lines 1834-1840 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=1834&end_line=1840

import Base
import minebender-game@1.0.0.0/solver.bend as S
import minebender-game@1.0.0.0/proof_base.bend as P
import minebender-game@1.0.0.0/proof_cells.bend as PS

def ton_head(+e: PS.WH, +t: S.Todo, +rest: List<&2, S.Todo>,
  h: {todos_onb(e, t <> rest) == True{} : Bool}) -> {todos_onb(e, [t]) == True{} : Bool}:
  match t:
    case S.Todo{c, rel}:
      %Equal.sym(Bool, Bool.and(items_onb(e, rel), True{}), items_onb(e, rel), P.and_true_r_id(items_onb(e, rel))) :
        {_ == True{} : Bool}
      P.and_true_l(items_onb(e, rel), todos_onb(e, rest), h)

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_base.bend&name=and_true_l
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_base.bend&name=and_true_r_id
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_cells.bend&name=WH
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_solver.bend&name=items_onb
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_solver.bend&name=todos_onb
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/solver.bend&name=Todo