def div_j
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/combnat.bend as Combnatimport Base
import bend-collections-laws-math@1.0.0.0/proofs/math/natural/lcm.bend as LC
144def div_j(+c: Nat, +jp: Nat) -> {Nat.div(1n+jp, gg(c, jp)) == wr(c, jp) : Nat}:
145 LC.div_exact(1n+jp, wr(c, jp), gg(c, jp), g_pos(c, jp), e_j(c, jp))