Description: Obsolete version of elfvunirn as of 12-Jan-2025. (Contributed by Thierry Arnoux, 16-Nov-2017) (Proof modification is discouraged.) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | elrnustOLD | ⊢ ( 𝑈 ∈ ( UnifOn ‘ 𝑋 ) → 𝑈 ∈ ∪ ran UnifOn ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elfvunirn | ⊢ ( 𝑈 ∈ ( UnifOn ‘ 𝑋 ) → 𝑈 ∈ ∪ ran UnifOn ) |