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Full Idea
A constant is something absolutely definite, concerning which there is no ambiguity whatever.
Gist of Idea
Constants are absolutely definite and unambiguous
Source
Bertrand Russell (The Principles of Mathematics [1903], §006)
Book Ref
Russell,Bertrand: 'Principles of Mathematics' [Routledge 1992], p.6
14104 | Constants are absolutely definite and unambiguous [Russell] |
10453 | In logic constants play the role of proper names [Bach] |