def hw53
bend-collections-laws-math@1.0.0.0 · proofs/math/typed/f64conv.bend:146
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64conv.bend as F64conv
import Base
import bend-collections-laws-math@1.0.0.0/spec/lib/common.bend as C
import bend-collections-laws-math@1.0.0.0/spec/math/f64.bend as SF
import bend-collections-laws-math@1.0.0.0/spec/math/w64.bend as SW
import bend-collections-laws-math@1.0.0.0/src/math/f64.bend as F
import bend-collections-laws-math@1.0.0.0/proofs/lib/logic.bend as L
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64tools.bend as T
146def hw53(+x: F.F64) -> {C.fits(53n, SW.value(F.dmant(x))) == True{} : Bool}:
147 L.subst(Nat, t => {C.fits(53n, t) == True{} : Bool}, SF.mant(x), SW.value(F.dmant(x)), Equal.sym(Nat, SW.value(F.dmant(x)), SF.mant(x), T.dmant_value(x)), T.mant_fits(x))