- Author
- Proof Wiki Contributors
- Title
- Preimage of Union Under Mapping — Proof Wiki
- Year
- 2024
- URL
- https://proofwiki.org/wiki/Preimage_of_Union_under_Mapping
@misc{proof-wiki:preimage-of-union-under-mapping,
AUTHOR = "{Proof Wiki Contributors}",
TITLE = "Preimage of Union Under Mapping --- {Proof Wiki}",
YEAR = "2024",
URL = "https://proofwiki.org/wiki/Preimage\_of\_Union\_under\_Mapping"
}