⊦ dec_j | dec_i ↔ (∃ dec_j0. dec_j * dec_j0 = dec_i)
⊦ ∃ dec_j0. mkDecimal(2, 0) * dec_j0 = mkDecimal(5, 0)
Used terms: mkDecimal(5, 0), mkDecimal(2, 0)