n.

the quality of not being alterable

the quality of being fixed and unchangeable

同義詞：fixedness

The Unalterability of the Yoruba Concept of Destiny
UNALTERABILITY PARAMETERS OF DATA RETENTION IN AUTOBIOGRAPHICAL MEMORY
Understanding "Authenticity"in Records and Information Management: Analyzing Practitioner Constructs
Data security protection for information recorded on a rewritable storage medium using a write-once read-many storage medium
Nature's Challenge to Free Will
A rational approach to cryptographic protocols
Implementing a low-cost computer-based patient record: a controlled vocabulary reduces data base design complexity.
Temporal necessity; Hard facts/soft facts
Free Will and the Mind–Body Problem
The Opacity of Bodily Symptoms: Anonymous Meaning in Psychopathology