invariant section

English

Alternative forms

(programming) INVARIANT section

Etymology

(law): Coined by Free Software Foundation in free software copyright licenses.

Noun

invariant section (plural invariant sections)

(law) Something that must not be removed or modified during redistribution.
I had to include the GNU Manifesto, as it was part of an invariant section.
(mathematics) A section that will not vary through changing state.
(programming) A property that does not change through a program's execution.

Usage notes

(mathematics): Often used in the form X-invariant section, implying a section that remains constant while X is being changed.

Further reading

Text of the GNU Free Documentation License possibly first legal use.

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