baseChange_negDblY — Mathlib

English

Base change commutes with the dblXYZ coordinate: (W'.baseChange B).toJacobian.dblXYZ (f ∘ P) = f ((W'.baseChange A).toJacobian.dblXYZ P).

Русский

Основание изменения на dblXYZ сохраняется: (W'.baseChange B).toJacobian.dblXYZ (f ∘ P) = f ((W'.baseChange A).toJacobian.dblXYZ P).

LaTeX

$$$ (W'.baseChange B).toJacobian.dblXYZ (f \circ P) = f ((W'.baseChange A).toJacobian.dblXYZ P) $$$

Lean4

theorem baseChange_negDblY :
    (W'.baseChange B).toJacobian.negDblY (f ∘ P) = f ((W'.baseChange A).toJacobian.negDblY P) := by
  rw [← RingHom.coe_coe, ← map_negDblY, map_baseChange]

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