Description: Closed theorem version of bound-variable hypothesis builder hbn . (Contributed by NM, 10-May-1993) (Proof shortened by Wolf Lammen, 14-Oct-2021)
Ref | Expression | ||
---|---|---|---|
Assertion | hbnt | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nf5-1 | |
|
2 | 1 | nfnd | |
3 | 2 | nf5rd | |