Description: Obsolete version of cnvcnvss as of 10-Jun-2026. (Contributed by NM, 23-Jul-2004) (Proof modification is discouraged.) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | cnvcnvssOLD | |- `' `' A C_ A |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnvcnv | |- `' `' A = ( A i^i ( _V X. _V ) ) |
|
| 2 | inss1 | |- ( A i^i ( _V X. _V ) ) C_ A |
|
| 3 | 1 2 | eqsstri | |- `' `' A C_ A |