| Entry | Value |
|---|---|
| Name | big_unionr_def |
| Conclusion | !s. big_unionr s = set_to_relation (UNIONS (IMAGE relation_to_set s)) |
| Constructive Proof | Yes |
| Axiom | N|A |
| Classical Lemmas | N|A |
| Constructive Lemmas | |
| Contained Package | relation-def |
| Comment | Standard HOL library retrieved from OpenTheory |