(58) [Φ.ψ] = _i_[ωΩ]*
_i.e._ Φ₁ψ₂ - Φ₂ψ₁ = _i_(ω₃Ω₄ - ω₄Ω₃) etc.
The Principle of Relativity · 第 68 / 203 题