proofs/math/typed/f64mul.bend checks

import Base
import ../../../spec/lib/common.bend as C
import ../../../spec/math/f64.bend as SF
import ../../../spec/math/w64.bend as SW
import ../../../src/math/f64.bend as F
import ../../../src/math/w64.bend as X
import ../../../src/math/u64.bend as WU
import ../../lib/nat.bend as N
import ../../lib/logic.bend as L
import ../../lib/arith.bend as AR2
import ./width.bend as WW
import ./w64add.bend as WA
import ./w64mul.bend as W64M
import ./w64sh.bend as SH
import ./w64m128.bend as M128
import ./f64round.bend as FR
import ./f64rtools.bend as RT
import ./f64mulp.bend as MP