Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > nfcsb1v | GIF version |
Description: Bound-variable hypothesis builder for substitution into a class. (Contributed by NM, 17-Aug-2006.) (Revised by Mario Carneiro, 12-Oct-2016.) |
Ref | Expression |
---|---|
nfcsb1v | ⊢ Ⅎ𝑥⦋𝐴 / 𝑥⦌𝐵 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2308 | . 2 ⊢ Ⅎ𝑥𝐴 | |
2 | 1 | nfcsb1 3077 | 1 ⊢ Ⅎ𝑥⦋𝐴 / 𝑥⦌𝐵 |
Copyright terms: Public domain | W3C validator |