English
RingNorm R forms a RingNormClass on R with values in ℝ, i.e., it satisfies the axioms of a normed ring structure.
Русский
RingNorm R образует класс RingNorm на кольце R с значениями в ℝ, удовлетворяя аксиомам нормированной структуры кольца.
LaTeX
$$$\text{RingNorm}(R) \text{ is a RingNormClass on } R \text{ with values in } \mathbb{R}$$$
Lean4
instance ringNormClass : RingNormClass (RingNorm R) R ℝ
where
map_zero f := f.map_zero'
map_add_le_add f := f.add_le'
map_mul_le_mul f := f.mul_le'
map_neg_eq_map f := f.neg'
eq_zero_of_map_eq_zero f := f.eq_zero_of_map_eq_zero' _