Description: Obsolete version of nfnaew as of 25-Sep-2024. (Contributed by Mario Carneiro, 11-Aug-2016) (Revised by GG, 10-Jan-2024) (Proof modification is discouraged.) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | nfnaewOLD | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hbaev | |
|
2 | 1 | nf5i | |
3 | 2 | nfn | |