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Mirrors > Home > ILE Home > Th. List > nfsab1 | Unicode version |
Description: Bound-variable hypothesis builder for a class abstraction. (Contributed by Mario Carneiro, 11-Aug-2016.) |
Ref | Expression |
---|---|
nfsab1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hbab1 2029 | . 2 | |
2 | 1 | nfi 1351 | 1 |
Colors of variables: wff set class |
Syntax hints: wnf 1349 wcel 1393 cab 2026 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-5 1336 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-11 1397 ax-4 1400 ax-17 1419 ax-i9 1423 ax-ial 1427 |
This theorem depends on definitions: df-bi 110 df-nf 1350 df-sb 1646 df-clab 2027 |
This theorem is referenced by: abbi 2151 nfab1 2180 ralab2 2705 rexab2 2707 rabn0m 3245 eluniab 3592 elintab 3626 intexabim 3906 iinexgm 3908 opabex3d 5748 opabex3 5749 |
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