Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.
APA4ort.xyz Knowledge Graph. (2026). States on systems of sets that are closed under symmetric difference. Retrieved May 24, 2026, from https://4ort.xyz/entity/states-on-systems-of-sets-that-are-closed-under-symmetric-difference
MLA“States on systems of sets that are closed under symmetric difference.” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/states-on-systems-of-sets-that-are-closed-under-symmetric-difference.
BibTeX@misc{4ortxyz_states-on-systems-of-sets-that-are-closed-under-symmetric-difference_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{States on systems of sets that are closed under symmetric difference}}, year = {2026}, url = {https://4ort.xyz/entity/states-on-systems-of-sets-that-are-closed-under-symmetric-difference}, note = {Accessed: 2026-05-24}}
LLM promptAccording to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): States on systems of sets that are closed under symmetric difference — https://4ort.xyz/entity/states-on-systems-of-sets-that-are-closed-under-symmetric-difference (retrieved 2026-05-24)
