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| Mirrors > Home > ILE Home > Th. List > nfab | Unicode version | ||
| Description: Bound-variable hypothesis builder for a class abstraction. (Contributed by Mario Carneiro, 11-Aug-2016.) |
| Ref | Expression |
|---|---|
| nfab.1 |
|
| Ref | Expression |
|---|---|
| nfab |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfab.1 |
. . 3
| |
| 2 | 1 | nfsab 2230 |
. 2
|
| 3 | 2 | nfci 2382 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 |
| This proof depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-nfc 2381 |
| This theorem is used by: nfaba1 2398 nfrabw 2733 sbcel12g 3162 sbceqg 3163 nfun 3385 nfpw 3705 nfpr 3759 nfop 3920 nfuni 3941 nfint 3980 intab 3999 nfiunxy 4038 nfiinxy 4039 nfiunya 4040 nfiinya 4041 nfiu1 4042 nfii1 4043 nfopab 4199 nfopab1 4200 nfopab2 4201 repizf2 4299 nfdm 5026 fun11iun 5660 eusvobj2 6071 nfoprab1 6137 nfoprab2 6138 nfoprab3 6139 nfoprab 6140 nfrecs 6578 nffrec 6667 nfixpxy 6999 nfixp1 7000 nfwrd 11333 |
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