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∅ · SynAc

TERM

∅

The empty binary string. That is, for any binary string A,∅ || A = A || ∅= A.

Updated

Jan 05, 2026

Senses

Sense 1▾

The empty binary string. That is, for any binary string A,∅ || A = A || ∅= A.

The empty binary string. That is, for any binary string A,∅ || A = A || ∅= A.

NIST CSRC Glossary

NIST CSRC Glossary

∅

Accessed Jan 05, 2026Quoted

https://csrc.nist.gov/glossary/term/empty_set

NIST states most site information is public information and may be distributed or copied, except material marked as copyrighted; attribution requested. Verify per-document markings before quoting.

Source: NIST CSRC Glossary (csrc.nist.gov).

Bibliography

NIST CSRC Glossary
Accessed Jan 05, 2026Quoted
∅
https://csrc.nist.gov/glossary/term/empty_set
NIST states most site information is public information and may be distributed or copied, except material marked as copyrighted; attribution requested. Verify per-document markings before quoting.
Source: NIST CSRC Glossary (csrc.nist.gov).