ring_nf
a b c : ℤθ
elem : 6 = 3 + 3
⊢ { f := -23 * -23 + 6 * -15 * -15 - 2 * -63 * -15 - 2 * -15 * -63,
      g := -23 * -63 + -63 * -23 + 16 * -15 * -15 - 6 * -63 * -15 - 6 * -15 * -63,
      h := -23 * -15 + -15 * -23 + -63 * -63 + 3 * -15 * -15 - 3 * -63 * -15 - 3 * -15 * -63 } =
    { f := -1901, g := -4842, h := -336 }
no goals