25. Symmetry

Definition

A thing is symmetrical with respect to an operation O when it appears exactly the same after applying that operation O as is was appearing before.

Symmetries:

Each symmetry implies a conservation law.

Conservation Laws

Relativity of Time => Conservation of energy.

Relativity of Space Translation => Conservation of linear momentum.

Relativity of Space Rotation => Conservation of angular momentum.

Conservation of charge.

Conservation of baryons.

Conservation of leptons.

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Last modification on: Wed, 15 Jul 2026 .