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Single Idea 13846

[filed under theme 4. Formal Logic / E. Nonclassical Logics / 6. Free Logic ]

Full Idea

A 'free' logic is one in which names are permitted to be empty. A 'universally free' logic is one in which the domain of an interpretation may also be empty.

Gist of Idea

A 'free' logic can have empty names, and a 'universally free' logic can have empty domains

Source

David Bostock (Intermediate Logic [1997], 8.6)

Book Ref

Bostock,David: 'Intermediate Logic' [OUP 1997], p.360