![]() |
Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > ILE Home > Th. List > nfxfr | Unicode version |
Description: A utility lemma to transfer a bound-variable hypothesis builder into a definition. (Contributed by Mario Carneiro, 11-Aug-2016.) |
Ref | Expression |
---|---|
nfbii.1 |
![]() ![]() ![]() ![]() ![]() ![]() |
nfxfr.2 |
![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
nfxfr |
![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfxfr.2 |
. 2
![]() ![]() ![]() ![]() | |
2 | nfbii.1 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() | |
3 | 2 | nfbii 1484 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
4 | 1, 3 | mpbir 146 |
1
![]() ![]() ![]() ![]() |
Colors of variables: wff set class |
Syntax hints: ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1458 ax-gen 1460 |
This theorem depends on definitions: df-bi 117 df-nf 1472 |
This theorem is referenced by: nfnf1 1555 nf3an 1577 nfnf 1588 nfdc 1670 nfs1f 1791 nfsbv 1963 nfeu1 2053 nfmo1 2054 sb8eu 2055 nfeu 2061 nfnfc1 2339 nfnfc 2343 nfeq 2344 nfel 2345 nfabdw 2355 nfne 2457 nfnel 2466 nfra1 2525 nfre1 2537 nfreu1 2666 nfrmo1 2667 nfss 3172 rabn0m 3474 nfdisjv 4018 nfdisj1 4019 nfpo 4332 nfso 4333 nfse 4372 nffrfor 4379 nffr 4380 nfwe 4386 nfrel 4744 sb8iota 5222 nffun 5277 nffn 5350 nff 5400 nff1 5457 nffo 5475 nff1o 5498 nfiso 5849 nfixpxy 6771 |
Copyright terms: Public domain | W3C validator |