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| Mirrors > Home > ILE Home > Th. List > nffun | Unicode version | ||
| Description: Bound-variable hypothesis builder for a function. (Contributed by NM, 30-Jan-2004.) |
| Ref | Expression |
|---|---|
| nffun.1 |
|
| Ref | Expression |
|---|---|
| nffun |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-fun 5356 |
. 2
| |
| 2 | nffun.1 |
. . . 4
| |
| 3 | 2 | nfrel 4837 |
. . 3
|
| 4 | 2 | nfcnv 4936 |
. . . . 5
|
| 5 | 2, 4 | nfco 4922 |
. . . 4
|
| 6 | nfcv 2386 |
. . . 4
| |
| 7 | 5, 6 | nfss 3233 |
. . 3
|
| 8 | 3, 7 | nfan 1614 |
. 2
|
| 9 | 1, 8 | nfxfr 1523 |
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-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-v 2817 df-un 3217 df-in 3219 df-ss 3226 df-sn 3697 df-pr 3698 df-op 3700 df-br 4112 df-opab 4174 df-rel 4758 df-cnv 4759 df-co 4760 df-fun 5356 |
| This theorem is referenced by: nffn 5454 nff1 5573 fliftfun 5971 |
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