proofs/containers/balanced_search_tree/insf.bend checks

import Base
import ../../lib/logic.bend as L
import ../../lib/nat.bend as N
import ../../lib/order.bend as O
import ../../../spec/lib/common.bend as SC
import ../../../spec/containers/balanced_search_tree/main.bend as S
import ../../../src/containers/balanced_search_tree.bend as M
import ./state.bend as ST
import ./mirror.bend as MI
import ./ok.bend as OK
import ./find.bend as FI
import ./reads.bend as RD
import ./ends.bend as EN
import ./path.bend as P
import ./plug.bend as PG
import ./agree.bend as AG
import ./setters.bend as SE
import ./rotm.bend as RM
import ./rotp.bend as RP
import ./fix.bend as FX
import ./attach.bend as AT
import ./hdr.bend as HD
import ./ins.bend as INS
import ./ord.bend as OR
import ./slot.bend as SL
import ./alls.bend as AL
import ./dj.bend as DJ
import ./spath.bend as SP
import ../../lib/nat_list.bend as NL