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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hbab1 2166 |
. 2
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2 | 1 | nfi 1462 |
1
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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 1447 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-11 1506 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 |
This theorem depends on definitions: df-bi 117 df-nf 1461 df-sb 1763 df-clab 2164 |
This theorem is referenced by: abbi 2291 nfab1 2321 ralab2 2901 rexab2 2903 abn0m 3448 rabn0m 3450 eluniab 3821 elintab 3855 intexabim 4152 iinexgm 4154 opabex3d 6121 opabex3 6122 |
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