| Entry | Value |
|---|---|
| Name | subrelation_def |
| Conclusion | !r s. subrelation r s <=> relation_to_set r SUBSET 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 |