English
The basic right₂ identity when applied to a bilinear map gives the trivial equivalence.
Русский
Базовая правая₂ идентичность при применении к билинейной карте даёт тривиальное эквивалентство.
LaTeX
$$LinearEquiv.congrRight₂_refl$$
Lean4
/-- When `N₁` and `N₂` are equivalent, bilinear maps on `M` into `N₁` are equivalent to bilinear
maps into `N₂`. -/
def _root_.LinearEquiv.congrRight₂ (e : N₁ ≃ₗ[R] N₂) : BilinMap R M N₁ ≃ₗ[R] BilinMap R M N₂ :=
LinearEquiv.congrRight (LinearEquiv.congrRight e)