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SynAc
Term

∅

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

Senses

Sense 1

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

References
  • NIST CSRC GlossaryJan 05, 2026
    ∅
    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).