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**Sabbir****Guest**

Do sequences have to have numeriacal terms? or can it have non-numerical terms too,for example,can this be a sequence {1} , {1,2} , {1,2,3} , ... ?

**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 15,327

They needn't have numbers as terms. Sets and letters can also be sequence terms.

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 6,298

one; two; three; .......

a; aardvaak; aback; abacus; ..........

Bob

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