oe = ö

Nem azért, mert nő volt. ;)

https://en.wikipedia.org/wiki/Noether%27s_theorem

Noether's first theorem states that every differentiable symmetry of the action of a physical system with conservative forces has a corresponding conservation law.

https://en.wikipedia.org/wiki/Noether%27s_second_theorem

In mathematics and theoretical physics, Noether's second theorem relates symmetries of an action functional with a system of differential equations.

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