Mathbox for Norm Megill |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > nfcxfrdf | Structured version Visualization version Unicode version |
Description: A utility lemma to transfer a bound-variable hypothesis builder into a definition. (Contributed by NM, 19-Nov-2020.) |
Ref | Expression |
---|---|
nfcxfrdf.0 | |
nfcxfrdf.1 | |
nfcxfrdf.2 |
Ref | Expression |
---|---|
nfcxfrdf |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcxfrdf.2 | . 2 | |
2 | nfcxfrdf.0 | . . 3 | |
3 | nfcxfrdf.1 | . . 3 | |
4 | 2, 3 | nfceqdf 2760 | . 2 |
5 | 1, 4 | mpbird 247 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wceq 1483 wnf 1708 wnfc 2751 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-12 2047 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-an 386 df-ex 1705 df-nf 1710 df-cleq 2615 df-clel 2618 df-nfc 2753 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |