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Mirrors > Home > MPE Home > Th. List > nffv | Structured version Visualization version Unicode version |
Description: Bound-variable hypothesis builder for function value. (Contributed by NM, 14-Nov-1995.) (Revised by Mario Carneiro, 15-Oct-2016.) |
Ref | Expression |
---|---|
nffv.1 | |
nffv.2 |
Ref | Expression |
---|---|
nffv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-fv 5896 | . 2 | |
2 | nffv.2 | . . . 4 | |
3 | nffv.1 | . . . 4 | |
4 | nfcv 2764 | . . . 4 | |
5 | 2, 3, 4 | nfbr 4699 | . . 3 |
6 | 5 | nfiota 5855 | . 2 |
7 | 1, 6 | nfcxfr 2762 | 1 |
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