Linked from

The 5 pages that link to Hensel's lemma, each with the reason it gives.

• Weierstrass preparation theoremCompared with: It is an algebraic lifting principle, while preparation directly factors an analytic germ.

• Lifting-the-exponent lemmaCompared with: Both track behavior modulo prime powers, but Hensel’s lemma lifts roots rather than evaluating power-expression valuations.