| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > nfcxfr | 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 |
|---|---|
| nfceqi.1 |
|
| nfcxfr.2 |
|
| Ref | Expression |
|---|---|
| nfcxfr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcxfr.2 |
. 2
| |
| 2 | nfceqi.1 |
. . 3
| |
| 3 | 2 | nfceqi 2382 |
. 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 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-4 1559 ax-17 1575 ax-ial 1583 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-cleq 2227 df-clel 2230 df-nfc 2375 |
| This theorem is referenced by: nfrab1 2726 nfrabw 2727 nfdif 3344 nfun 3379 nfin 3431 nfpw 3691 nfpr 3745 nfsn 3755 nfop 3905 nfuni 3926 nfint 3965 nfiunxy 4023 nfiinxy 4024 nfiunya 4025 nfiinya 4026 nfiu1 4027 nfii1 4028 nfopab 4184 nfopab1 4185 nfopab2 4186 nfmpt 4208 nfmpt1 4209 repizf2 4281 nfsuc 4535 nfxp 4782 nfco 4926 nfcnv 4940 nfdm 5007 nfrn 5008 nfres 5046 nfima 5115 nfiota1 5320 nffv 5686 fvmptss2 5758 fvmptssdm 5768 fvmptf 5776 ralrnmpt 5825 rexrnmpt 5826 f1ompt 5834 f1mpt 5951 fliftfun 5976 nfriota1 6020 riotaprop 6038 nfoprab1 6111 nfoprab2 6112 nfoprab3 6113 nfoprab 6114 nfmpo1 6129 nfmpo2 6130 nfmpo 6131 ovmpos 6186 ov2gf 6187 ovi3 6200 nfof 6282 nfofr 6283 nftpos 6524 nfrecs 6552 nffrec 6641 nfixpxy 6966 nfixp1 6967 xpcomco 7091 nfsup 7297 nfinf 7322 nfdju 7347 caucvgprprlemaddq 8040 nfseq 10847 nfwrd 11282 nfsum1 12071 nfsum 12072 nfcprod1 12270 nfcprod 12271 ballotfilem7 13228 lgseisenlem2 16075 lfgrnloopen 16259 |
| Copyright terms: Public domain | W3C validator |